* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

#space {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse at center, #070b14 0%, #03060d 100%);
}

#loader-line {
  width: 4px;
  height: 100px;
  background-color: #fff;
  border-radius: 4px;
  box-shadow: 0 0 15px #fff, 0 0 25px #fff, 0 0 45px #c471f5;
  animation: line-animation 2.5s cubic-bezier(0.76, 0, 0.24, 1) forwards;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

@font-face {
  font-family: "VNI-Brush";
  src: url("fonts/vni-brush.ttf") format("truetype");
  font-style: italic;
  font-weight: normal;
}

#preloader {
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, #070b14 0%, #03060d 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

#mouse-follower {
  position: fixed;
  top: 0;
  left: 0;
  width: 35px;
  height: 35px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 1px 4px 0 rgba(0, 0, 0, 0.04);
}

/* Hide mouse follower on touch devices */
@media (hover: none) and (pointer: coarse) {
  #mouse-follower {
    display: none !important;
  }
}

#mouse-follower::after {
  content: "";
  width: 10px;
  height: 10px;
  background: #fff;
  border-radius: 50%;
  display: block;
}

.custom-loader-content {
  text-align: center;
  color: white;
}

.preloader-title {
  font-family: "VNI-Brush", cursive;
  font-size: 48px;
  letter-spacing: 4px;
  animation: fadein 1.5s ease forwards;
  margin-bottom: 0.2em;
  color: white;
  font-style: italic;
}

.underline-bar {
  width: 200px;
  height: 4px;
  margin: 0 auto;
  margin-top: -4px;
  border-radius: 50%;
  background: radial-gradient(
    ellipse at center,
    #ec4899 0%,
    #ec4899 20%,
    transparent 70%
  );
  filter: blur(2px);
  opacity: 0;
  animation: glowBar 2s ease-out 1s forwards;
}

@keyframes glowBar {
  from {
    width: 0;
    opacity: 0;
  }

  to {
    width: 120px;
    opacity: 1;
  }
}

@keyframes fadein {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.header {
  background: rgba(30, 27, 46, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 50px;
  padding: 12px 24px;
  margin: 20px auto;
  max-width: 900px;
  display: flex;
  align-items: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transform: translateX(-50%);
  transition: top 0.5s ease-in-out;
  z-index: 1000;
  width: 90%;
  position: fixed;
  top: -150px;
  left: 50%;
}

.header.visible {
  top: 20px;
}

.header {
  background: rgba(30, 27, 46, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  position: absolute;
  left: 24px;
}

.nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}

.nav-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  padding: 8px 12px;
  border-bottom: 2px solid transparent;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: white;
  background: none;
  border-bottom: 2px solid rgba(142, 68, 173, 0.8);
}

/* Hamburger Menu Styles */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 22px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  position: absolute;
  right: 24px;
}

.hamburger-line {
  width: 100%;
  height: 3px;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 3px;
  transition: all 0.3s ease;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu Responsive */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    width: 90%;
    max-width: 400px;
    background: rgba(30, 27, 46, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
  }

  .nav.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }

  .nav-menu {
    flex-direction: column;
    width: 100%;
    padding: 20px 0;
    gap: 0;
  }

  .nav-menu li {
    width: 100%;
    text-align: center;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 15px 20px;
    font-size: 16px;
    border-bottom: none;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
  }

  .nav-link:hover,
  .nav-link.active {
    background: rgba(142, 68, 173, 0.2);
    border-left: 3px solid rgba(142, 68, 173, 0.8);
    border-bottom: none;
  }

  .header {
    padding: 12px 20px;
    justify-content: space-between;
  }

  .logo {
    position: static;
  }

  .nav {
    position: fixed;
    flex: none;
  }

  .hamburger {
    position: static;
  }
}

html {
  scroll-behavior: smooth;
}

.tech-particles {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: 250px;
  height: 250px;
  z-index: 10;
  overflow: hidden;
  clip-path: path(
    "M128,224 C50,160 0,120 0,72 C0,32 32,0 72,0 C96,0 128,32 128,56 C128,32 160,0 184,0 C224,0 256,32 256,72 C256,120 206,160 128,224 Z"
  );
  -webkit-clip-path: path(
    "M128,224 C50,160 0,120 0,72 C0,32 32,0 72,0 C96,0 128,32 128,56 C128,32 160,0 184,0 C224,0 256,32 256,72 C256,120 206,160 128,224 Z"
  );
  border: 2px solid rgba(255, 20, 100, 0.3);
}

#particles-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

section {
  padding: 80px 40px;
  font-family: sans-serif;
}

.hero-section {
  min-height: 120vh;
  background: linear-gradient(
    135deg,
    #1a1a2e 0%,
    #16213e 25%,
    #2d1b69 50%,
    #1a1a2e 75%,
    #0f0f0f 100%
  );
  position: relative;
  display: flex;
  align-items: center;
  padding: 0;
  overflow: hidden;
}

.hero-content {
  max-width: 600px;
  z-index: 2;
  padding-left: 0px;
  margin-left: 0;
}

.tag {
  background: rgba(139, 69, 193, 0.3);
  color: #c471f5;
  padding: 8px 16px;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 500;
  display: inline-block;
  margin-bottom: 30px;
  border: 1px solid rgba(196, 113, 245, 0.3);
}

.hero-title {
  font-size: 48px;
  color: white;
  margin: 0;
}

.highlight {
  background: linear-gradient(90deg, #ff00cc, #3333ff);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: bold;
}

.hero-desc {
  font-size: 18px;
  color: #bbb;
  margin: 20px 0;
}

.hero-homebuttons {
  display: flex;
  gap: 20px;
  margin-top: 30px;
}

.project-btn {
  padding: 10px 18px;
  font-size: 16px;
  border: none;
  cursor: pointer;
  border-radius: 6px;
  transition: 0.3s;
  text-decoration: none;
}

.primary,
.secondary {
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.primary {
  background: linear-gradient(135deg, #ff00cc, #3333ff);
  color: white;
  box-shadow: 0 4px 15px rgba(255, 0, 204, 0.3);
}

.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 0, 204, 0.4);
}

.secondary {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  backdrop-filter: blur(10px);
}

.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
}

/* Responsive cho mobile */
@media (max-width: 768px) {
  .home-section {
    padding: 120px 40px 60px 40px;
    justify-content: center;
    align-items: center;
    text-align: center;
    flex-direction: column;
  }

  .hero-content {
    max-width: 100%;
    align-items: center;
    padding-left: 0; /* Reset padding để căn giữa */
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .tag {
    font-size: 12px;
    padding: 6px 20px;
  }

  .hero-title {
    font-size: 36px;
    line-height: 1.2;
  }

  .hero-desc {
    font-size: 16px;
    margin: 15px 0;
  }

  .hero-homebuttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    align-items: center;
  }

  .primary,
  .secondary {
    padding: 12px 20px;
    font-size: 14px;
    text-align: center;
    justify-content: center;
    width: 100%;
    max-width: 280px;
  }

  .tech-particles {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    margin: 40px auto 0 auto; /* Căn giữa bằng margin auto */
    width: 200px;
    height: 200px;
    border: 2px solid rgba(255, 20, 100, 0.4);
    display: block; /* Đảm bảo là block element để margin auto hoạt động */
    /* Scale down clip-path for smaller size */
    clip-path: path(
      "M100,175 C39,125 0,94 0,56 C0,25 25,0 56,0 C75,0 100,25 100,44 C100,25 125,0 144,0 C175,0 200,25 200,56 C200,94 161,125 100,175 Z"
    );
    -webkit-clip-path: path(
      "M100,175 C39,125 0,94 0,56 C0,25 25,0 56,0 C75,0 100,25 100,44 C100,25 125,0 144,0 C175,0 200,25 200,56 C200,94 161,125 100,175 Z"
    );
  }
}

@media (max-width: 480px) {
  .home-section {
    padding: 100px 20px 40px 20px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-desc {
    font-size: 14px;
  }

  .tag {
    font-size: 11px;
    padding: 5px 16px;
  }

  .tech-particles {
    width: 150px;
    height: 150px;
    margin: 30px auto 0 auto; /* Căn giữa với margin auto */
    /* Scale down clip-path for smaller size */
    clip-path: path(
      "M75,131 C29,94 0,70 0,42 C0,19 19,0 42,0 C56,0 75,19 75,33 C75,19 94,0 108,0 C131,0 150,19 150,42 C150,70 121,94 75,131 Z"
    );
    -webkit-clip-path: path(
      "M75,131 C29,94 0,70 0,42 C0,19 19,0 42,0 C56,0 75,19 75,33 C75,19 94,0 108,0 C131,0 150,19 150,42 C150,70 121,94 75,131 Z"
    );
  }
}

.btn:hover {
  transform: scale(1.05);
}

.home-section {
  min-height: 100vh;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  padding: 150px 60px 80px 60px;
  position: relative;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  cursor: pointer;
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.3s ease;
  animation: bounce-mouse 2s ease-in-out infinite;
}

.scroll-indicator:hover {
  opacity: 1;
}

.mouse {
  width: 28px;
  height: 45px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 14px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 8px;
  background: transparent;
}

.wheel {
  width: 2px;
  height: 6px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 2px;
  animation: scroll-wheel 1.5s ease-in-out infinite;
}

@keyframes bounce-mouse {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-8px);
  }
}

@keyframes scroll-wheel {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(12px);
  }
}

.fade-in-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}

.fade-in-section.visible {
  opacity: 1;
  transform: none;
}

.about-title::after,
.skills-title::after,
.projects-title::after,
.experiences-title::after,
.contact-title::after {
  content: "";
  display: block;
  width: 0;
  height: 4px;
  margin: 12px auto 0;
  background: linear-gradient(90deg, #a855f7, #ec4899);
  border-radius: 4px;
  transition: width 1s ease;
}

.fade-in-section.visible .about-title::after,
.fade-in-section.visible .skills-title::after,
.fade-in-section.visible .projects-title::after,
.fade-in-section.visible .experiences-title::after,
.fade-in-section.visible .contact-title::after {
  width: 80px;
}

.tagabout {
  color: #d4a6f9;
  padding: 5px 30px;
  background-color: rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 9999px;
  display: inline-block;
  margin: 0 auto 20px auto;
}

.about-section {
  padding: 80px 45px;
  max-width: 1400px;
  margin: 0 auto;
  color: white;
  margin-bottom: 250px;
}

.about-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4/5;
  max-height: 600px;
  border-radius: 20px;
  overflow: hidden;
  border: 2px solid rgba(168, 139, 250, 0.3);
  box-shadow: 0 20px 60px rgba(168, 85, 247, 0.3);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: rgba(28, 28, 35, 0.95);
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
  -webkit-font-smoothing: subpixel-antialiased;
}

.image-glow {
  display: none;
}

.availability-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  background: transparent;
  border: none;
  color: #22c55e;
  font-size: 14px;
  font-weight: 600;
  z-index: 10;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.1);
  }
}

.about-title {
  font-size: 48px;
  font-weight: bold;
  color: #fff;
  margin: 0 auto;
  margin-bottom: 40px;
}

.about-desc {
  font-size: 16px;
  color: #ccc;
  line-height: 1.6;
  margin-bottom: 16px;
}

.about-box {
  position: relative;
  padding: 40px;
  border-radius: 20px;
  background: rgba(28, 28, 35, 0.95);
  color: #e5e7eb;
  overflow: hidden;
  z-index: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.about-box:hover {
  background: rgba(28, 28, 35, 0.95);
}

.about-box::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: radial-gradient(
    200px 80px at var(--mouse-x, 50%) var(--mouse-y, 50%),
    #ec4899,
    transparent 70%
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.about-box:hover::before {
  opacity: 1;
}

.about-info {
  margin-top: 15px;
}

.about-info strong {
  color: #ffffff;
}

.available {
  color: #22c55e;
  font-weight: bold;
}

.tagskills {
  color: #d4a6f9;
  padding: 5px 30px;
  background-color: rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 9999px;
  display: inline-block;
  margin: 0 auto 20px auto;
}

.skills-section {
  padding: 80px 60px;
  max-width: 1200px;
  margin: 0 auto;
  color: white;
}

.skills-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.skills-title {
  font-size: 48px;
  font-weight: bold;
  color: #fff;
  margin: 0 auto;
  margin-bottom: 40px;
}

.skills-desc {
  font-size: 16px;
  color: #ccc;
  line-height: 1.6;
}

.skill-container {
  text-align: center;
  padding: 2rem;
}

.skill-container h2 {
  font-size: 0.75rem;
  color: #6e7681;
  font-weight: bold;
  margin-bottom: 1rem;
}

.subtext {
  font-weight: normal;
  font-size: 0.75rem;
  color: #6e7681;
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  font-size: 1rem;
  line-height: 2rem;
}

.skill-panel {
  display: none;
  position: relative;
  background-color: #1e1e2f;
  padding: 1.5rem;
  border-radius: 10px;
  margin: 1rem auto;
  max-width: 1000px;
  max-height: 800px;
  /* Giới hạn chiều cao */
  overflow-y: auto;
  /* Cho phép scroll khi nội dung dài */
  text-align: left;
  animation: fadeIn 0.3s ease-in-out;
}

.skill-panel h3 {
  margin-top: 0;
}

.close-btn {
  position: absolute;
  top: 10px;
  right: 16px;
  background: none;
  border: none;
  color: #999;
  font-size: 1.5rem;
  cursor: pointer;
}

.close-btn:hover {
  color: #fff;
}

.skill-badge {
  background: transparent;
  border: none;
  cursor: pointer;
  color: white;
  font-size: 1rem;
  margin: 0.5rem;
  padding: 6px 12px;
  border-radius: 8px;
  transition: background 0.3s ease;
}

.skill-badge:hover {
  background-color: rgba(255, 255, 255, 0.08);
}

.project-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.card-grid {
  display: grid;
  gap: 0.75rem;
}

/* --- Header Mới --- */
.panel-header-new {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.language-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.language-info .language-title {
  font-size: 1.5rem;
  color: #fff;
  margin: 0;
  font-weight: 600;
}

.language-info .language-tag {
  background: rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(124, 58, 237, 0.3);
  color: #d4a6f9;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 500;
}

.projects-count {
  font-size: 0.9rem;
  color: #a0aec0; /* Màu xám nhạt */
  margin-top: 1rem;
  margin-bottom: 1rem;
}

/* --- Thẻ Dự Án Mới --- */
.card-grid-new {
  display: grid;
  gap: 0.75rem;
}

.project-card-new {
  background: linear-gradient(145deg, #2a2a3a, #232331);
  border-radius: 8px;
  padding: 1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-card-new:hover {
  transform: translateY(-4px);
  background: #2d2d3e;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  border-color: #a855f7;
}

.card-header-new {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.card-title-new {
  margin: 0;
  font-size: 1.1rem;
  color: #a78bfa;
  font-weight: 600;
}

.github-link {
  font-size: 1.2rem;
  color: #a0aec0;
  transition: color 0.3s ease;
}

.project-card-new:hover .github-link {
  color: #fff;
}

.card-description-new {
  font-size: 0.9rem;
  color: #cbd5e0;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.card-footer-new {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

.card-language-badge-new {
  background-color: rgba(255, 255, 255, 0.05);
  color: #e2e8f0;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
}

.card-language-badge-new .dot {
  margin-right: 0.4rem;
}

.card-date-new {
  color: #a0aec0;
}

/* --- Tùy chỉnh thanh cuộn --- */
.skill-panel::-webkit-scrollbar,
.card-grid-new::-webkit-scrollbar {
  width: 6px;
}

.skill-panel::-webkit-scrollbar-track,
.card-grid-new::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

.skill-panel::-webkit-scrollbar-thumb,
.card-grid-new::-webkit-scrollbar-thumb {
  background: #4a5568;
  border-radius: 3px;
}

.skill-panel::-webkit-scrollbar-thumb:hover,
.card-grid-new::-webkit-scrollbar-thumb:hover {
  background: #718096;
}

.project-card {
  min-height: 700px;
  max-width: 400px;
  background: linear-gradient(145deg, #1a1625, #221d2e);
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  padding: 20px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
  color: #ddd;
  border: 1px solid rgba(168, 139, 250, 0.2);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(168, 85, 247, 0.25),
    0 0 30px rgba(168, 85, 247, 0.1);
  border-color: rgba(168, 139, 250, 0.5);
}

.project-card h3 {
  margin: 0;
  font-size: 1.3em;
  color: #c4b5fd;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.project-card span.language {
  background: rgba(255, 255, 255, 0.1);
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.75em;
  display: inline-block;
  margin: 8px 0;
  color: #ccc;
}

.project-card p {
  font-size: 0.95em;
  margin: 8px 0 0 0;
  color: #cbd5e0;
  line-height: 1.6;
}

.project-card small {
  display: block;
  margin-top: 10px;
  font-size: 0.75em;
  color: #888;
}

.projects-count {
  font-size: 0.9rem;
  color: #a0aec0;
  /* Màu xám nhạt */
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.dot {
  margin-right: 0.3rem;
}

.note {
  margin-top: 1.5rem;
  font-size: 0.75rem;
  color: #6e7681;
  text-align: center;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tagprojects {
  color: #d4a6f9;
  padding: 5px 30px;
  background-color: rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 9999px;
  display: inline-block;
  margin: 0 auto 20px auto;
}

.projects-section {
  padding: 100px 60px;
  max-width: 1600px;
  margin: 0 auto;
  color: white;
}

.projects-container {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.projects-title {
  font-size: 56px;
  font-weight: bold;
  color: #fff;
  margin: 0 auto;
  margin-bottom: 50px;
}

.projects-desc {
  font-size: 16px;
  color: #ccc;
  line-height: 1.6;
  margin-bottom: 12px;
}

/* Responsive breakpoints */
@media (min-width: 1200px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .project-card {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .projects-section {
    padding: 60px 20px;
  }

  .project-card {
    max-width: 100%;
    min-height: 650px;
  }

  .preview {
    height: 200px;
  }

  .content {
    padding: 20px;
  }

  .content h3 {
    font-size: 1.3rem;
  }

  .description {
    font-size: 0.95rem;
  }
}

.project-card {
  width: 100%;
  max-width: 420px;
  min-height: 700px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background: linear-gradient(to bottom right, #1a1a1a, #2a2a2a);
  background-color: #222;
  color: #fff;
  font-family: sans-serif;
  border-radius: 18px;
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s ease, background 0.3s ease;
  margin: 0 auto;
}

.project-card:hover {
  box-shadow: 0 0 15px #3b82f6, 0 0 30px #60a5fa;
  background: linear-gradient(to bottom right, #2d2d2d, #3a3a3a);
  transform: translateY(-5px);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 32px;
  width: 100%;
  margin-top: 20px;
  justify-items: center;
}

.preview {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.project-image {
  overflow: hidden;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
}

.project-image img {
  width: 100%;
  height: auto;
  transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.08);
}

.content {
  padding: 28px;
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.content h3 {
  margin: 0 0 12px;
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 16px;
}

.description {
  font-size: 1rem;
  opacity: 0.85;
  margin-bottom: 24px;
  line-height: 1.6;
}

.tags {
  margin-bottom: 18px;
}

.badge {
  display: inline-block;
  background: #444;
  padding: 6px 12px;
  border-radius: 8px;
  margin: 3px;
  font-size: 0.85rem;
  font-weight: 500;
}

.github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid #aa66ff;
  color: #aa66ff;
  background-color: rgba(170, 102, 255, 0.1);
  font-weight: 500;
  font-size: 15px;
  border-radius: 8px;
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.github:hover {
  background-color: rgba(170, 102, 255, 0.2);
}

.tech-bar {
  height: 8px;
  border-radius: 6px;
  background: #333;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}

.tech-bar .bar {
  height: 100%;
  float: left;
}

.bar.java {
  background: #ff7800;
}

.bar.html {
  background: #e34f26;
}

.bar.css {
  background: #1572b6;
}

.bar.js {
  background: #f7df1e;
}

.bar.python {
  background: #3776ab;
}

.bar.typescript {
  background: #3178c6;
}

.bar.plpgsql {
  background: #336791;
}

.tech-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 10px;
  font-size: 15px;
  color: #ccc;
  font-weight: 500;
}

.tech-legend .dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}

.dot.java {
  background-color: #b07219;
}

.dot.html {
  background-color: #e34f26;
}

.dot.javascript {
  background-color: #f7df1e;
}

.dot.css {
  background-color: #1572b6;
}

.dot.python {
  background-color: #3776ab;
}

.dot.typescript {
  background-color: #3178c6;
}

.dot.plpgsql {
  background-color: #336791;
}

.divider {
  border: none;
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
  margin: 24px 0;
}

.buttons {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.project-btn {
  flex: 1;
  padding: 12px 16px;
  text-align: center;
  background: rgba(168, 139, 250, 0.1);
  color: #c4b5fd;
  text-decoration: none;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid rgba(168, 139, 250, 0.3);
}

.project-btn:hover {
  background: rgba(168, 139, 250, 0.2);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.4), 0 0 35px rgba(147, 51, 234, 0.2);
  color: #e9d5ff;
  transform: translateY(-2px);
  border-color: rgba(168, 139, 250, 0.6);
}

.btn:hover {
  background: #555;
}

.project-btn.demo {
  background: linear-gradient(to right, #a855f7, #ec4899);
  color: white;
  font-weight: bold;
}

.project-btn.demo:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 0 20px #ec4899, 0 0 35px #a855f7;
}

.card-body {
  margin-top: auto;
}

.tagexperiences {
  color: #d4a6f9;
  padding: 5px 30px;
  background-color: rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 9999px;
  display: inline-block;
  margin: 0 auto 20px auto;
}

.experiences-section {
  padding: 80px 60px;
  max-width: 1200px;
  margin: 0 auto;
  color: white;
}

.experiences-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.experiences-title {
  font-size: 48px;
  font-weight: bold;
  color: #fff;
  margin: 0 auto;
  margin-bottom: 40px;
}

.experiences-desc {
  font-size: 16px;
  color: #ccc;
  line-height: 1.6;
}

/* Timeline Styles */
.timeline {
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    180deg,
    rgba(212, 166, 249, 0.3) 0%,
    rgba(124, 58, 237, 0.5) 50%,
    rgba(212, 166, 249, 0.3) 100%
  );
}

.timeline-item {
  position: relative;
  margin-bottom: 80px;
  display: flex;
  align-items: center;
  width: 100%;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.timeline-item.fade-in {
  opacity: 1;
  transform: translateY(0);
}

.timeline-item:nth-child(odd) {
  justify-content: flex-start;
}

.timeline-item:nth-child(even) {
  justify-content: flex-end;
}

.timeline-item:nth-child(odd) .timeline-content {
  text-align: left;
  margin-left: calc(50% + 40px);
}

.timeline-item:nth-child(even) .timeline-content {
  text-align: left;
  margin-right: calc(50% + 40px);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, #d4a6f9 0%, #7c3aed 100%);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(28, 28, 35, 1), 0 0 15px rgba(212, 166, 249, 0.4);
  z-index: 10;
}

.timeline-content {
  background: rgba(40, 40, 47, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 35px 45px;
  width: 100%;
  max-width: 800px;
  min-width: 610px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.timeline-content::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(212, 166, 249, 0.05) 0%,
    rgba(124, 58, 237, 0.05) 100%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.timeline-content:hover {
  border-color: rgba(212, 166, 249, 0.4);
  box-shadow: 0 10px 30px rgba(212, 166, 249, 0.2);
}

.timeline-content:hover::before {
  opacity: 1;
}

.timeline-content h3 {
  font-size: 24px;
  font-weight: bold;
  color: #fff;
  margin-bottom: 8px;
}

.timeline-date {
  font-size: 14px;
  color: #d4a6f9;
  margin-bottom: 12px;
  font-weight: 500;
}

.experience-image {
  width: 100%;
  max-width: 100%;
  margin: 20px 0;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.experience-image img {
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.timeline-content:hover .experience-image img {
  transform: scale(1.05);
}

.timeline-desc {
  font-size: 16px;
  color: #ccc;
  line-height: 1.6;
  margin: 0;
}

/* Responsive Timeline */
@media (max-width: 768px) {
  .experiences-section {
    padding: 60px 30px;
  }

  .experiences-title {
    font-size: 36px;
    margin-bottom: 30px;
  }

  .timeline {
    padding: 20px 0;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    margin-bottom: 50px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    flex-direction: row;
    justify-content: flex-start;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    text-align: left;
    padding: 25px 20px 25px 50px;
    margin-left: 0;
    margin-right: 0;
    width: calc(100% - 10px);
    min-width: unset;
    max-width: 100%;
  }

  .timeline-dot {
    left: 20px;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
  }

  .timeline-item:hover .timeline-dot {
    transform: translateX(-50%) scale(1.3);
  }

  .timeline-content h3 {
    font-size: 20px;
  }

  .timeline-date {
    font-size: 13px;
  }

  .timeline-desc {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .experiences-section {
    padding: 50px 20px;
  }

  .experiences-title {
    font-size: 28px;
    margin-bottom: 25px;
  }

  .tagexperiences {
    font-size: 14px;
    padding: 4px 20px;
  }

  .timeline {
    padding: 15px 0;
  }

  .timeline::before {
    left: 15px;
  }

  .timeline-item {
    margin-bottom: 40px;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    padding: 20px 15px 20px 40px;
    width: calc(100% - 5px);
  }

  .timeline-dot {
    left: 15px;
    width: 14px;
    height: 14px;
  }

  .timeline-content h3 {
    font-size: 18px;
    margin-bottom: 6px;
  }

  .timeline-date {
    font-size: 12px;
    margin-bottom: 10px;
  }

  .timeline-desc {
    font-size: 13px;
    line-height: 1.5;
  }
}

.tagcontact {
  color: #d4a6f9;
  padding: 5px 30px;
  background-color: rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 9999px;
  display: inline-block;
  margin: 0 auto 20px auto;
}

.contact-section {
  padding: 80px 45px;
  max-width: 1400px;
  margin: 0 auto;
  color: white;
}

.contact-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-title {
  font-size: 48px;
  font-weight: bold;
  color: #fff;
  margin: 0 auto;
  margin-bottom: 40px;
}

.contact-box {
  position: relative;
  padding: 50px 45px;
  border-radius: 20px;
  background: rgba(28, 28, 35, 0.95);
  color: #e5e7eb;
  overflow: hidden;
  z-index: 0;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-box:hover {
  background: rgba(28, 28, 35, 0.95);
}

.contact-box::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: radial-gradient(
    200px 80px at var(--mouse-x, 50%) var(--mouse-y, 50%),
    #ec4899,
    transparent 70%
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.contact-box:hover::before {
  opacity: 1;
}

.contact-box-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 24px;
}

.contact-layout {
  display: flex;
  gap: 30px;
  align-items: stretch;
  margin-top: 40px;
}

.contact-box,
.contact-form-wrapper {
  flex: 1;
  min-width: 300px;
}

.contact-box .contact-info i {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    rgba(168, 85, 247, 0.2),
    rgba(236, 72, 153, 0.2)
  );
  border-radius: 12px;
  margin-right: 16px;
  font-size: 20px;
  flex-shrink: 0;
  color: #ec4899;
  transition: all 0.3s ease;
}

.contact-box .contact-info:hover i {
  background: linear-gradient(
    135deg,
    rgba(168, 85, 247, 0.3),
    rgba(236, 72, 153, 0.3)
  );
  transform: scale(1.05);
}
.online-dot-wrapper {
  display: inline-block;
  width: 20px;
  margin-right: 12px;
  text-align: center;
}

.contact-form-wrapper {
  padding: 30px 40px;
  border-radius: 16px;
  background: rgba(28, 28, 35, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-form-wrapper:hover {
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.7);
  transition: box-shadow 0.3s ease-in-out;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  color: #a0aec0;
  margin-bottom: 8px;
  font-size: 14px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background-color: #0f172a;
  border: 1px solid #334155;
  color: #e2e8f0;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 16px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #64748b;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #a855f7;
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.3);
}

textarea {
  resize: vertical;
  font-family: inherit;
}

.send-button {
  width: 100%;
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(90deg, #d53f8c, #a855f7);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.send-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Responsive cho thiết bị di động */
@media (max-width: 768px) {
  .contact-layout {
    flex-direction: column;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
    display: flex;
    flex-direction: column;
  }

  .about-image-wrapper {
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    order: 1;
  }

  .about-box {
    padding: 30px;
    order: 2;
    margin-top: 20px;
  }

  .about-section {
    padding: 60px 20px;
    margin-bottom: 150px;
  }

  .about-title {
    font-size: 36px;
  }
}

.contact-info {
  margin-bottom: 12px;
  color: #e5e7eb;
  display: flex;
  align-items: flex-start;
  gap: 0;
  transition: all 0.3s ease;
  padding: 10px;
  border-radius: 12px;
}

.contact-info:hover {
  background: rgba(255, 255, 255, 0.03);
}

.contact-info strong {
  color: #a0aec0;
  font-size: 13px;
  font-weight: 500;
  display: block;
  margin-bottom: 4px;
}

.contact-info > div {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-info > div span {
  color: #fff;
  font-size: 15px;
  font-weight: 400;
  word-break: break-all;
}

.contact-status {
  margin-top: 20px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
}

.contact-status strong {
  color: #fff;
  font-size: 16px;
  display: block;
  margin-bottom: 12px;
}

.available-contact {
  display: inline-block;
  margin-top: 8px;
  color: #22c55e;
  font-weight: 500;
  font-size: 15px;
  line-height: 1.5;
}

.online-dot {
  color: #22c55e;
  font-size: 12px;
  margin-right: 8px;
  animation: blink 2s infinite ease-in-out;
  vertical-align: middle;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

.site-footer {
  background-color: #0f0f0f;
  padding: 40px 20px;
  text-align: center;
  color: #aaa;
}

.footer-top-border {
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, #ec4899, #8b5cf6, #06b6d4, #ec4899);
  background-size: 400% 100%;
  animation: gradientShift 5s ease infinite;
  border-radius: 2px;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-left h2 {
  font-size: 24px;
  font-weight: bold;
  color: white;
}

.footer-left .highlight {
  color: #ec4899;
}

.footer-left p {
  font-size: 14px;
  color: #777;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-icon {
  width: 40px;
  height: 40px;
  background-color: #1f1f1f;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #aaa;
  transition: background 0.3s, color 0.3s;
}

.social-icon:hover {
  background-color: #ec4899;
  color: white;
}

.footer-nav {
  margin-top: 30px;
  border-top: 1px solid #2a2a2a;
  padding-top: 20px;
}

.footer-nav a {
  margin: 0 10px;
  color: #aaa;
  text-decoration: none;
  font-size: 14px;
}

.footer-nav a:hover {
  color: #fff;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

/* --- Tùy chỉnh thanh cuộn cho toàn bộ trang --- */

/* Áp dụng cho các trình duyệt WebKit (Chrome, Safari, Edge) */

/* Toàn bộ thanh cuộn */
::-webkit-scrollbar {
  width: 10px; /* Độ rộng của thanh cuộn */
}

/* Phần rãnh trượt (nền của thanh cuộn) */
::-webkit-scrollbar-track {
  background: #0f172a; /* Màu nền tối, tiệp với màu nền của bạn */
  border-radius: 5px;
}

/* Phần con trượt (thanh cuộn có thể kéo) */
::-webkit-scrollbar-thumb {
  background-color: #a855f7; /* Một màu xám trung tính */
  border-radius: 5px;
  border: 2px solid #0f172a; /* Tạo một khoảng viền nhỏ tiệp màu với rãnh trượt */
}

/* Con trượt khi di chuột vào */
::-webkit-scrollbar-thumb:hover {
  background-color: #c084fc; /* Sáng hơn một chút khi hover */
}

/* Hỗ trợ cho Firefox */
html {
  scrollbar-width: thin; /* "thin", "auto", hoặc "none" */
  scrollbar-color: #a855f7 #0f172a; /* [màu con trượt] [màu rãnh trượt] */
}

/* Music player widget */
.music-player {
  position: fixed;
  bottom: 32px;
  right: 32px;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 28px;
  min-width: 320px;
  max-width: 420px;
  background: linear-gradient(
    125deg,
    rgba(32, 28, 45, 0.95),
    rgba(14, 18, 28, 0.88)
  );
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(24px);
  color: #f7f9fc;
  z-index: 1200;
}

.music-player::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
      circle at 20% 20%,
      rgba(236, 72, 153, 0.15),
      transparent 55%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(99, 102, 241, 0.12),
      transparent 50%
    );
  pointer-events: none;
}

.player-cover {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  object-fit: contain;
  object-position: center;
  background: rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.35);
  transition: box-shadow 0.3s ease, border-color 0.3s ease, width 0.3s ease,
    height 0.3s ease;
  position: relative;
  flex-shrink: 0;
  user-select: none;
  pointer-events: none;
}

/* Spinning animation for album cover */
@keyframes spin-record {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Pulsing glow animation */
@keyframes pulse-glow {
  0%,
  100% {
    box-shadow: 0 8px 24px rgba(236, 72, 153, 0.5),
      0 0 30px rgba(139, 92, 246, 0.3);
  }
  50% {
    box-shadow: 0 8px 30px rgba(236, 72, 153, 0.7),
      0 0 40px rgba(139, 92, 246, 0.5);
  }
}

.music-player.playing .player-cover {
  animation: spin-record 3s linear infinite, pulse-glow 2s ease-in-out infinite;
  border-color: rgba(236, 72, 153, 0.8);
}

.player-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.player-title {
  font-weight: 600;
  font-size: 16px;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-artist {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.player-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.88);
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
}

.player-btn i {
  pointer-events: none;
}

.player-btn:hover {
  transform: translateY(-2px);
  background: rgba(236, 72, 153, 0.35);
  color: #fff;
}

.player-btn:active {
  transform: translateY(1px);
}

.player-toggle {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
}

.music-player.playing .player-toggle {
  background: linear-gradient(135deg, #22d3ee 0%, #38bdf8 100%);
  box-shadow: 0 4px 15px rgba(34, 211, 238, 0.4);
}

.music-player.playing {
  box-shadow: 0 26px 55px rgba(14, 165, 233, 0.35);
  border-color: rgba(34, 211, 238, 0.2);
}

.music-player.playing::after {
  background: radial-gradient(
      circle at 20% 20%,
      rgba(34, 211, 238, 0.2),
      transparent 55%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(56, 189, 248, 0.15),
      transparent 50%
    );
}

/* Tablet responsive */
@media (max-width: 768px) {
  .music-player {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 20px;
    min-width: unset;
    max-width: unset;
    padding: 12px 16px;
    gap: 12px;
    z-index: 900; /* Giảm để không che menu */
    flex-wrap: nowrap;
  }

  .player-meta {
    flex: 1;
    min-width: 0;
    margin-right: auto;
  }

  .player-title {
    font-size: 14px;
    font-weight: 600;
  }

  .player-artist {
    font-size: 11px;
    margin-top: 1px;
  }

  .player-cover {
    width: 50px;
    height: 50px;
  }

  .player-controls {
    gap: 8px;
    margin-left: 0;
  }

  .player-btn {
    width: 36px;
    height: 36px;
    font-size: 13px;
  }

  .player-toggle {
    width: 44px;
    height: 44px;
    font-size: 15px;
  }
}

/* Mobile small screens */
@media (max-width: 480px) {
  .music-player {
    bottom: 16px;
    left: 12px;
    right: 12px;
    padding: 10px 12px;
    gap: 10px;
  }

  .player-title {
    font-size: 13px;
  }

  .player-artist {
    font-size: 10px;
  }

  .player-cover {
    width: 46px;
    height: 46px;
  }

  .player-controls {
    gap: 6px;
  }

  .player-btn {
    width: 34px;
    height: 34px;
    font-size: 12px;
  }

  .player-toggle {
    width: 40px;
    height: 40px;
    font-size: 14px;
  }

  .player-btn i,
  .player-toggle i {
    font-size: inherit;
  }
}

/* Extra small screens */
@media (max-width: 360px) {
  .music-player {
    bottom: 12px;
    left: 8px;
    right: 8px;
    padding: 8px 10px;
    gap: 8px;
  }

  .player-title {
    font-size: 12px;
  }

  .player-artist {
    font-size: 9px;
  }

  .player-cover {
    width: 42px;
    height: 42px;
  }

  .player-controls {
    gap: 5px;
  }

  /* Ẩn nút prev/next trên màn hình rất nhỏ */
  .player-btn[data-action="prev"],
  .player-btn[data-action="next"] {
    display: none;
  }

  .player-toggle {
    width: 38px;
    height: 38px;
    font-size: 13px;
  }

  .player-link {
    width: 32px;
    height: 32px;
    font-size: 11px;
  }
}
.player-link.is-disabled {
  opacity: 0.4;
  pointer-events: none;
}