/* ===== GLOBAL RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --gold:          #C9A86C;
  --gold-dark:     #A0784A;
  --gold-light:    #E8D5A3;
  --gold-pale:     #F9F3E4;
  --cream:         #FAF7F0;
  --cream-dark:    #F0E8D8;
  --white:         #FFFFFF;
  --ink:           #2C2018;   /* Near-black warm */
  --ink-soft:      #5A4030;   /* Medium warm brown */
  --ink-light:     #8C6B50;   /* Light warm brown */
  --accent-orange: #C87941;   /* Refined warm amber, not vivid */
  --border-gold:   rgba(201, 168, 108, 0.35);

  --font-display:  'Cormorant Garamond', 'Georgia', serif;
  --font-heading:  'Playfair Display', 'Georgia', serif;
  --font-body:     'EB Garamond', 'Georgia', serif;
  --font-ui:       'Cormorant Garamond', Georgia, serif;
}

html, body {
  height: 100%;
  font-family: var(--font-body);
  font-size: 17px;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  background-color: #F8F2EA;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(201,168,108,0.12) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 100%, rgba(201,168,108,0.10) 0%, transparent 55%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* ===== WELCOME SCREEN ===== */
#welcome-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22,0.61,0.36,1);
  padding: 1.5rem;
}

#welcome-screen.fade-out {
  opacity: 0;
  transform: scale(0.97);
  pointer-events: none;
}

/* ── Welcome Card ── */
.welcome-card {
  background: rgba(250, 247, 240, 0.94);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-radius: 4px;
  border: 1px solid var(--border-gold);
  box-shadow:
    0 2px 0 0 var(--gold) inset,   /* top gold accent line */
    0 40px 80px rgba(44, 32, 24, 0.18),
    0 8px 20px rgba(44, 32, 24, 0.08);
  padding: 2.8rem 2.5rem 2.5rem;
  width: 100%;
  max-width: 560px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Gold corner ornaments */
.welcome-card::before,
.welcome-card::after {
  content: '';
  position: absolute;
  width: 40px; height: 40px;
  border-color: var(--gold);
  border-style: solid;
  border-width: 0;
  opacity: 0.55;
  pointer-events: none;
}
.welcome-card::before {
  top: 14px; left: 14px;
  border-top-width: 1px;
  border-left-width: 1px;
}
.welcome-card::after {
  bottom: 14px; right: 14px;
  border-bottom-width: 1px;
  border-right-width: 1px;
}

/* Logo */
.logo-container {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.logo-container img {
  width: 180px; height: 180px;
  object-fit: contain;
  filter: drop-shadow(0 4px 16px rgba(160,120,74,0.35));
  animation: logoFloat 4s ease-in-out infinite;
}
@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-7px); }
}

/* Welcome Text */
.welcome-pretitle {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 0.5rem;
}

.welcome-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.25;
  margin-bottom: 0.4rem;
  letter-spacing: 0.01em;
  font-variant-numeric: lining-nums;
  -moz-font-feature-settings: "lnum";
  -webkit-font-feature-settings: "lnum";
  font-feature-settings: "lnum";
}

.welcome-subtitle {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 300;
  font-style: italic;
  color: var(--ink-soft);
  margin-bottom: 1.8rem;
  letter-spacing: 0.04em;
}

/* Ornamental divider */
.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 0 auto 2.2rem;
  opacity: 0.6;
}
.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gold);
  max-width: 60px;
}
.divider::before { content: ''; }
.divider::after  { content: ''; }

/* Form */
.form-group {
  margin-bottom: 1.1rem;
  text-align: left;
}

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.45rem;
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-gold);
  border-bottom-width: 2px;
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: rgba(255,255,255,0.7);
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.form-group input::placeholder {
  font-style: italic;
  color: var(--ink-light);
  font-size: 0.95rem;
}

.form-group input:focus {
  border-color: var(--gold);
  border-bottom-color: var(--gold-dark);
  box-shadow: 0 4px 14px rgba(160,120,74,0.12);
  background: rgba(255,255,255,0.95);
}

/* Radio Group */
.radio-group {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.15rem;
}

.radio-option {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--border-gold);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  background: rgba(255,255,255,0.55);
  user-select: none;
}

.radio-option:hover {
  border-color: var(--gold);
  background: var(--gold-pale);
}

.radio-option input[type="radio"] { display: none; }

.radio-custom {
  width: 15px; height: 15px;
  border-radius: 50%;
  border: 1.5px solid var(--gold-dark);
  background: white;
  flex-shrink: 0;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.radio-custom::after {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold-dark);
  transform: scale(0);
  transition: transform 0.18s ease;
}
.radio-option input[type="radio"]:checked + .radio-custom {
  border-color: var(--gold-dark);
}
.radio-option input[type="radio"]:checked + .radio-custom::after {
  transform: scale(1);
}
.radio-option:has(input:checked) {
  border-color: var(--gold-dark);
  background: var(--gold-pale);
  box-shadow: 0 0 0 3px rgba(201,168,108,0.12);
}
.radio-label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0.04em;
}

/* CTA Button */
#open-btn {
  width: 100%;
  margin-top: 0.75rem;
  padding: 0.95rem 2rem;
  background: var(--ink);
  color: var(--gold-light);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
  box-shadow: 0 6px 24px rgba(44,32,24,0.25);
}
#open-btn::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), transparent);
  pointer-events: none;
}
#open-btn:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(160,120,74,0.35);
}
#open-btn:active { transform: translateY(0); }
#open-btn .btn-icon {
  margin-right: 0.5rem;
  font-size: 1rem;
}

/* ===== CANVAS OVERLAY ===== */
#falling-canvas {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  display: none;
}

/* ===== INVITATION SCREEN ===== */
#invitation-screen {
  position: fixed;
  inset: 0;
  display: none;
  align-items: flex-start;
  justify-content: center;
  z-index: 15;
  padding: 2rem 2rem 8rem; /* Tăng padding dưới để tránh thanh nhạc */
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
#invitation-screen.visible { display: flex; }

/* ── Invitation Card ── */
.invitation-card {
  background: #FDFAF4;
  border-radius: 2px;
  border: 1px solid var(--border-gold);
  box-shadow:
    0 0 0 6px rgba(201,168,108,0.07),
    0 40px 100px rgba(44,32,24,0.22),
    0 10px 30px rgba(44,32,24,0.1);
  width: 100%;
  max-width: 800px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(50px) scale(0.99);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22,0.61,0.36,1);
  margin: auto;
}
.invitation-card.slide-up {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ── Card Header — CREAM with gold rule ── */
.card-header {
  background: #FAF7F0;
  padding: 1.2rem 2rem 1.4rem;
  text-align: center;
  position: relative;
  border-bottom: 1px solid var(--border-gold);
}

/* Top decorative rule */
.card-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), var(--gold-dark), var(--gold), transparent);
}

/* Corner ornament marks */
.card-header::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 50%; transform: translateX(-50%);
  width: 60px; height: 1px;
  background: var(--gold);
  opacity: 0.8;
}

.card-header-badge {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold-dark);
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  padding: 0.3rem 1.1rem;
  border-radius: 0;
  margin-bottom: 0;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin: 1rem auto 1.1rem;
  width: 100%;
}
.logo-wrapper::before,
.logo-wrapper::after {
  content: '';
  height: 1px;
  width: 15%;
  min-width: 40px;
  background: var(--gold);
  opacity: 0.5;
}
.logo-wrapper::before {
  background: linear-gradient(to right, transparent, var(--gold));
}
.logo-wrapper::after {
  background: linear-gradient(to left, transparent, var(--gold));
}

.card-header-logo {
  width: 125px; height: auto;
  object-fit: contain;
  margin: 0;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(160,120,74,0.3));
  position: relative; z-index: 1;
}

.card-event-name {
  font-family: var(--font-display);
  font-size: 1.95rem;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  letter-spacing: 0.06em;
  margin-bottom: 0.7rem;
  position: relative; z-index: 1;
  text-align: center;
  font-variant-numeric: lining-nums;
  -moz-font-feature-settings: "lnum";
  -webkit-font-feature-settings: "lnum";
  font-feature-settings: "lnum";
}

.card-event-name .event-name-part {
  color: inherit;
}
.card-event-name .event-name-sep {
  color: var(--gold-dark);
  opacity: 0.7;
  padding: 0 0.25em;
  display: inline-block;
  transform: translateY(-0.08em);
}

.card-event-year {
  font-family: var(--font-display);
  font-size: 0.65rem;
  color: var(--ink-soft);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 500;
  position: relative; z-index: 1;
  margin-bottom: 1.2rem;
}

/* Horizontal rule with diamond */
.card-rule {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 1.2rem auto 1.4rem;
  opacity: 0.55;
  width: 80%;
}
.card-rule::before,
.card-rule::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gold);
}
.card-rule-diamond {
  width: 5px; height: 5px;
  background: var(--gold);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.tapestry-label {
  display: inline-block;
  background: transparent;
  color: var(--gold-dark);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.08em;
  padding: 0;
  border-radius: 0;
  position: relative; z-index: 1;
}

/* ── Card Body ── */
.card-body {
  padding: 2rem 2.2rem 2.2rem;
}

.recipient-info {
  text-align: center;
  margin-bottom: 2.2rem;
}

.greeting-line {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--ink-light);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.invitee-name {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0;
  line-height: 1.1;
  letter-spacing: 0.02em;
}

/* Body rule after gen badge */
.body-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 1.4rem;
  opacity: 0.4;
}
.body-divider::before,
.body-divider::after {
  content: ''; flex: 1;
  height: 1px;
  background: var(--gold);
}
.body-divider-dot {
  width: 4px; height: 4px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

.invitation-text {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--ink);
  line-height: 2;
  margin-bottom: 1.2rem;
  text-align: justify;
  font-weight: 400;
  letter-spacing: 0.01em;
}
.invitation-text strong {
  font-family: var(--font-body);
  font-size: inherit;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.invitation-text em {
  font-family: var(--font-body);
  font-size: inherit;
  font-style: italic;
  color: var(--gold-dark);
  font-weight: 400;
}

/* ── Event Detail Box ── */
.event-details-box {
  display: flex;
  justify-content: center;
  background: var(--gold-pale);
  border: 1px solid var(--border-gold);
  border-top: 2px solid var(--gold);
  border-radius: 1px;
  padding: 1.4rem 1.5rem;
  margin-bottom: 1.5rem;
}

.event-details-inner {
  width: max-content;
  max-width: 100%;
}

.event-detail-item {
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: 0.4rem 1rem;
  align-items: center;
  margin-bottom: 0;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(201,168,108,0.25);
}
.event-detail-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.event-detail-icon {
  width: 2.6rem;
  height: 2.6rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(249, 243, 228, 0.95);
  border: 1.5px solid rgba(201, 168, 108, 0.6);
  border-radius: 50% !important;
  align-self: center;
  color: #A0784A;
}
.event-detail-icon svg {
  width: 1.2rem;
  height: 1.2rem;
  fill: #A0784A;
  flex-shrink: 0;
}


.event-detail-content {
  text-align: left;
}

.event-detail-label {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 0.15rem;
  position: relative;
}
.event-detail-label::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.1rem;
  width: 1.2rem;
  height: 2px;
  background: var(--gold);
  opacity: 0.7;
}

.event-detail-value {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.5;
}

.dresscode-block {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.dresscode-inline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.dresscode-line.colors {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.color-circles {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.color-circle {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1), 0 1px 3px rgba(0,0,0,0.08);
}

/* ── Closing Quote ── */
.closing-quote {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 300;
  font-style: italic;
  color: var(--ink-soft);
  text-align: center;
  line-height: 1.8;
  padding: 1.2rem 1.5rem;
  border-top: 1px solid var(--border-gold);
  border-bottom: 1px solid var(--border-gold);
  margin-bottom: 1.5rem;
  position: relative;
}
.closing-quote::before {
  content: '\201C';
  position: absolute;
  top: -0.2rem; left: 1rem;
  font-size: 3rem;
  color: var(--gold);
  opacity: 0.3;
  line-height: 1;
  font-family: Georgia, serif;
}

/* ── Signature ── */
.signature-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--border-gold);
}
.signature-left {
  font-family: var(--font-display);
  font-size: 0.68rem;
  color: var(--ink-soft);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.signature-right {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--gold-dark);
  font-style: italic;
  font-weight: 400;
}

/* ── Ornamental dots/diamond row ── */
.orange-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin: 1.2rem 0;
}
.orange-dots span {
  width: 5px; height: 5px;
  background: transparent;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
  opacity: 0.5;
}
.orange-dots span:nth-child(2) {
  width: 7px; height: 7px;
  background: var(--gold);
  opacity: 0.7;
}

/* ===== ACTION BUTTONS ===== */
.action-buttons {
  display: flex;
  gap: 0.75rem;
  width: 100%;
  max-width: 800px;
  margin: 1.25rem auto 0;
  padding: 0 0.5rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease 0.45s, transform 0.6s ease 0.45s;
}
.action-buttons.visible {
  opacity: 1;
  transform: translateY(0);
}
.action-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.9rem 0.75rem;
  border-radius: 2px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.action-btn:hover { transform: translateY(-2px); }
.action-btn:active { transform: translateY(0); }

#download-btn {
  background: var(--ink);
  color: var(--gold-light);
  border: 1px solid var(--ink);
  box-shadow: 0 6px 20px rgba(44,32,24,0.3);
}
#download-btn:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: #fff;
  box-shadow: 0 10px 28px rgba(160,120,74,0.4);
}

#share-btn {
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--border-gold);
  box-shadow: 0 4px 14px rgba(44,32,24,0.07);
}
#share-btn:hover {
  background: var(--gold-pale);
  border-color: var(--gold);
  box-shadow: 0 8px 20px rgba(160,120,74,0.15);
}

/* ===== TOAST NOTIFICATION ===== */
#toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(30px);
  background: rgba(44, 32, 24, 0.92);
  color: var(--gold-light);
  padding: 0.7rem 1.6rem;
  border-radius: 2px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  z-index: 100;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-gold);
  white-space: nowrap;
}
#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== FLOATING BACKGROUND ORBS ===== */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
  animation: orbFloat 8s ease-in-out infinite;
}
.bg-orb-1 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(201,168,108,0.18) 0%, transparent 70%);
  top: -120px; right: -120px;
  animation-delay: 0s;
}
.bg-orb-2 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(160,120,74,0.12) 0%, transparent 70%);
  bottom: -80px; left: -80px;
  animation-delay: 3s;
}
.bg-orb-3 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(201,168,108,0.10) 0%, transparent 70%);
  top: 40%; left: 5%;
  animation-delay: 1.5s;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(20px, -25px) scale(1.04); }
  66%       { transform: translate(-12px, 12px) scale(0.97); }
}

/* ===== CONTINUOUS BACKGROUND PARTICLES ===== */
#bg-particles {
  position: fixed;
  inset: 0;
  z-index: 1; /* Above background but below screens */
  pointer-events: none;
  width: 100%;
  height: 100%;
}

/* ===== RESPONSIVE ===== */

/* --- PHONE (max 768px) — does NOT affect laptop (min-width: 768px block below) --- */
@media (max-width: 768px) {
  /* Music player: pull to bottom-center, shrink so it never covers text */
  .player-container {
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 92%;
    max-width: 340px;
    padding: 0.5rem 1rem 0.8rem;
    gap: 0.8rem;
  }
  /* Keep hover working while staying centered */
  .player-container:hover,
  .player-container:focus-within {
    transform: translateX(-50%) translateY(-3px);
  }
  /* Shrink vinyl disc */
  .vinyl-record { width: 52px; height: 52px; }
  .vinyl-wrapper { margin-top: -16px; }
  /* Shrink player text */
  .player-title { font-size: 0.85rem; }
  .time-display { font-size: 0.65rem; }
  .vinyl-tooltip { font-size: 0.65rem; top: -30px; white-space: nowrap; }

  /* Add bottom padding to invitation card so last lines clear the music bar */
  #invitation-screen > div { padding-bottom: 120px; }

  /* Card body & text — tighter for small screen */
  .card-body { padding: 1.5rem 1.2rem 1.5rem; }
  .invitation-text { font-size: 0.95rem; line-height: 1.75; margin-bottom: 1rem; }
  .invitee-name { font-size: 1.45rem; }
  .recipient-info { margin-bottom: 1.2rem; }

  /* Header refinements */
  .card-header { padding: 2rem 1.2rem 1.2rem; }
  .card-event-name { font-size: 1.35rem; }
  .card-event-year { font-size: 0.54rem; letter-spacing: 0.1em; }
}

/* --- SMALL PHONE (max 480px) — extra tweaks on top of above --- */
@media (max-width: 480px) {
  .welcome-card { padding: 2.2rem 1.6rem 2rem; }
  .welcome-title { font-size: 1.25rem; }
  .logo-container img { width: 80px; height: 80px; }
  .card-body { padding: 1.4rem 1rem 1.4rem; }
  .action-buttons { flex-direction: column; gap: 0.6rem; }
  .action-btn { padding: 0.9rem; }
}

/* --- LAPTOP / DESKTOP (min 768px) — unchanged --- */
@media (min-width: 768px) {
  .welcome-card { padding: 3.5rem 4rem; }
  .welcome-pretitle { font-size: 0.58rem; letter-spacing: 0.16em; }
  .welcome-title { font-size: 1.8rem; }
  .card-body { padding: 2.5rem 2.5rem; }
  .invitation-text { font-size: 1.05rem; }
  .card-event-name { font-size: 2rem; }
  .invitee-name { font-size: 1.9rem; }
}

/* ===== LOADING SPINNER FOR DOWNLOAD ===== */
.loading-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== VINTAGE VINYL PLAYER ===== */
.player-container {
  position: fixed;
  bottom: 2.5rem;
  left: 2rem;
  transform: translateY(0);
  background: linear-gradient(180deg, #FAF7F0, #E8D5A3);
  border: 1px solid var(--border-gold);
  border-radius: 12px;
  padding: 0.8rem 1.5rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  box-shadow: 0 4px 15px rgba(44, 32, 24, 0.15), inset 0 2px 4px rgba(255,255,255,0.7);
  z-index: 1000;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s;
  width: 90%;
  max-width: 320px;
  opacity: 0.95;
}

.player-container:hover, .player-container:focus-within {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(44, 32, 24, 0.2);
  opacity: 1;
}

.vinyl-wrapper {
  margin-top: -35px;
  cursor: pointer;
  filter: drop-shadow(2px 4px 6px rgba(0,0,0,0.3));
  transition: transform 0.2s ease;
  position: relative;
}

/* Vòng sóng nhạc — chỉ hiện khi chưa phát (thu hút ánh nhìn) */
.vinyl-wrapper:not(.playing)::before,
.vinyl-wrapper:not(.playing)::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1.5px solid rgba(201, 168, 108, 0.7);
  animation: pulseRing 2s ease-out infinite;
  pointer-events: none;
}
.vinyl-wrapper:not(.playing)::after {
  inset: -14px;
  border-color: rgba(201, 168, 108, 0.35);
  animation-delay: 0.6s;
}
@keyframes pulseRing {
  0%   { transform: scale(0.92); opacity: 0.9; }
  70%  { transform: scale(1.18); opacity: 0; }
  100% { transform: scale(1.18); opacity: 0; }
}

.vinyl-tooltip {
  position: absolute;
  top: -46px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--ink) 0%, #3d2810 100%);
  color: var(--gold-light);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(201,168,108,0.3);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-style: italic;
  font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  opacity: 1;
  animation: floatTooltip 2.2s ease-in-out infinite;
  box-shadow: 0 6px 18px rgba(0,0,0,0.35), 0 0 0 1px rgba(201,168,108,0.15);
  transition: opacity 0.4s ease;
  z-index: 10;
  letter-spacing: 0.04em;
}

.vinyl-tooltip::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 9px;
  height: 9px;
  background: var(--ink);
  border-right: 1px solid rgba(201,168,108,0.3);
  border-bottom: 1px solid rgba(201,168,108,0.3);
}

.vinyl-wrapper.playing .vinyl-tooltip {
  opacity: 0;
  animation: none;
}

@keyframes floatTooltip {
  0%, 100% { transform: translateX(-50%) translateY(0);   opacity: 1; }
  50%       { transform: translateX(-50%) translateY(-7px); opacity: 0.92; }
}

.vinyl-wrapper:hover {
  transform: scale(1.05);
}

.vinyl-record {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: #151515;
  border: 2px solid #2a2a2a;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vinyl-wrapper.playing .vinyl-record {
  animation: spinVinyl 3s linear infinite;
}

@keyframes spinVinyl {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.vinyl-label {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gold-dark);
  border: 1px solid var(--gold);
  z-index: 2;
  position: relative;
}

.vinyl-label::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 4px; height: 4px;
  background: #E8D5A3;
  border-radius: 50%;
}

.vinyl-lines {
  position: absolute;
  top: 5px; left: 5px; right: 5px; bottom: 5px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1);
  pointer-events: none;
  z-index: 1;
}
.vinyl-lines::before {
  content: ''; position: absolute;
  top: 6px; left: 6px; right: 6px; bottom: 6px;
  border: 1px solid rgba(255,255,255,0.06); border-radius: 50%;
}

.vinyl-highlight {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 50%;
  background: conic-gradient(from 180deg at 50% 50%, rgba(255,255,255,0.1) 0deg, transparent 60deg, transparent 300deg, rgba(255,255,255,0.1) 360deg);
  pointer-events: none;
  z-index: 1;
}

.player-controls {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}



.player-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.player-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--ink);
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.02em;
}

.time-display {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--ink-soft);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.progress-wrapper {
  padding: 0.6rem 0;
  margin: -0.2rem 0;
  cursor: pointer;
  position: relative;
}

.progress-container {
  width: 100%;
  height: 8px;
  background: rgba(44, 32, 24, 0.15);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
  pointer-events: none;
}

.progress-bar {
  height: 100%;
  background: var(--gold-dark);
  width: 0%;
  pointer-events: none;
  transition: width 0.1s linear;
}