/* ==========================================================================
   PORTFOLIO DROP — DESIGN SYSTEM & STYLES (STUDENT & ADMIN EDITION)
   ========================================================================== */

:root {
  --bg-dark: #07090e;
  --bg-card: rgba(15, 20, 31, 0.75);
  --bg-card-hover: rgba(22, 29, 44, 0.85);
  --bg-input: rgba(10, 14, 23, 0.85);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.6);
  --border-glow: rgba(139, 92, 246, 0.35);

  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-primary: #6366f1;
  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;

  --gradient-brand: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --gradient-btn: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --gradient-btn-hover: linear-gradient(135deg, #4338ca 0%, #6d28d9 100%);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 25px 60px -15px rgba(0, 0, 0, 0.75), 0 0 40px -10px rgba(99, 102, 241, 0.15);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.45);
  
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html, body {
  width: 100%;
  height: 100%;
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Ambient Background Lights */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
  will-change: transform;
}

.glow-1 {
  width: 550px;
  height: 550px;
  top: -100px;
  left: 20%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.45) 0%, rgba(99, 102, 241, 0) 70%);
  animation: floatPulse 12s ease-in-out infinite alternate;
}

.glow-2 {
  width: 480px;
  height: 480px;
  bottom: 0px;
  right: 15%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.4) 0%, rgba(139, 92, 246, 0) 70%);
  animation: floatPulse 14s ease-in-out infinite alternate-reverse;
}

.glow-3 {
  width: 400px;
  height: 400px;
  top: 45%;
  left: 65%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, rgba(6, 182, 212, 0) 70%);
  animation: floatPulse 16s ease-in-out infinite alternate;
}

@keyframes floatPulse {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.08); }
  100% { transform: translate(-25px, 25px) scale(0.95); }
}

.grid-overlay {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 1;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

/* Slide Container */
.slide-container {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 24px 20px;
  max-width: 860px;
  margin: 0 auto;
}

/* Header */
.app-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  transition: transform 0.2s ease, opacity 0.2s ease;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.brand:hover {
  transform: scale(1.02);
}

.brand:active {
  transform: scale(0.98);
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.brand-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.brand-text strong {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.admin-status-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-pill {
  background: rgba(139, 92, 246, 0.15) !important;
  border-color: rgba(139, 92, 246, 0.4) !important;
  color: #c4b5fd !important;
}

.pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
  color: var(--text-main);
  padding: 7px 14px;
  border-radius: 9999px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.pill-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.pill-btn-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.pill-btn-icon:hover {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.3);
}

.public-status-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: rgba(16, 185, 129, 0.12);
  border-radius: 50%;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.count-pill {
  background: rgba(99, 102, 241, 0.3);
  border: 1px solid rgba(99, 102, 241, 0.5);
  color: #c7d2fe;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 12px;
}

/* Hero Card */
.hero-card {
  width: 100%;
  max-width: 680px;
  margin: 20px auto;
  padding: 40px 36px;
  border-radius: var(--radius-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
}

.glass-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.badge-wrapper {
  margin-bottom: 18px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 4.5vw, 3.1rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 12px;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  max-width: 500px;
  margin: 0 auto 30px auto;
}

/* Submission Form */
.submission-form {
  width: 100%;
}

.input-card {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: left;
  transition: all 0.3s ease;
}

.input-card:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 25px -4px rgba(99, 102, 241, 0.3);
}

.student-meta-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.input-field-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.input-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-muted);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.input-box:focus-within {
  border-color: var(--border-focus);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.input-box input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-main);
}

.input-box input.uppercase-input {
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.input-box input::placeholder {
  color: var(--text-muted);
}

.link-block {
  margin-bottom: 20px;
}

.link-input-box {
  padding: 8px 12px;
}

.field-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  flex-shrink: 0;
}

.field-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.field-action-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-main);
}

/* Action Footer */
.action-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.storage-tag {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.storage-tag .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 6px var(--accent-emerald);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient-btn);
  border: none;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:hover {
  background: var(--gradient-btn-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.55);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-icon {
  display: flex;
  align-items: center;
  transition: transform 0.2s ease;
}

.btn-primary:hover .btn-icon {
  transform: translateX(3px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-main);
}

/* Quick Platform Presets (GitHub Only) */
.supported-platforms {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}

.supported-platforms .label {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.platform-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.platform-chip:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

/* Slide Footer */
.slide-footer {
  text-align: center;
  padding: 16px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.slide-footer code {
  color: #a5b4fc;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8em;
}

/* ==========================================================================
   ADMIN AUTHENTICATION MODAL
   ========================================================================== */
.admin-pass-modal {
  position: fixed;
  inset: 0;
  z-index: 2500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  visibility: hidden;
  transition: visibility 0.25s ease;
}

.admin-pass-modal.is-open {
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.admin-pass-modal.is-open .modal-backdrop {
  opacity: 1;
}

.pass-dialog {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  background: #0f1423;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.8);
}

.admin-pass-modal.is-open .pass-dialog {
  transform: scale(1);
}

.lock-icon-badge {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.35);
  color: #c4b5fd;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px auto;
}

.pass-dialog-header h2 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.pass-dialog-header p {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-bottom: 22px;
}

.pass-input-box {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin-bottom: 12px;
}

.pass-input-box:focus-within {
  border-color: var(--border-focus);
}

.pass-input-box input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-main);
  letter-spacing: 0.05em;
}

.icon-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

.pass-error-msg {
  color: var(--accent-rose);
  font-size: 0.82rem;
  margin-bottom: 16px;
  font-weight: 500;
}

.pass-dialog-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 18px;
}

.shake {
  animation: shake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes shake {
  10%, 90% { transform: translate3d(-1px, 0, 0); }
  20%, 80% { transform: translate3d(2px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
  40%, 60% { transform: translate3d(4px, 0, 0); }
}

/* ==========================================================================
   ADMIN VAULT DRAWER / MODAL
   ========================================================================== */
.vault-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  visibility: hidden;
  transition: visibility 0.3s ease;
}

.vault-modal.is-open {
  visibility: visible;
}

.vault-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.vault-modal.is-open .vault-backdrop {
  opacity: 1;
}

.vault-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 560px;
  background: #0d121c;
  border-left: 1px solid var(--border-subtle);
  box-shadow: -15px 0 45px rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1;
}

.vault-modal.is-open .vault-panel {
  transform: translateX(0);
}

.vault-header {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
}

.vault-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-tag-badge {
  background: rgba(139, 92, 246, 0.2);
  color: #c4b5fd;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 3px 6px;
  border-radius: 4px;
  border: 1px solid rgba(139, 92, 246, 0.4);
}

.vault-title-group h2 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
}

.vault-badge {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 9999px;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.close-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.close-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.vault-toolbar {
  padding: 14px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.015);
}

.vault-search {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-muted);
}

.vault-search input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-main);
}

.vault-action-buttons {
  display: flex;
  gap: 8px;
}

.btn-export {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-export:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.4);
  color: var(--text-main);
}

.vault-list {
  flex: 1;
  overflow-y: auto;
  padding: 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.vault-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  transition: all 0.2s ease;
}

.vault-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
}

.vault-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.vault-creator {
  display: flex;
  align-items: center;
  gap: 10px;
}

.creator-name {
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--text-main);
}

.usn-badge {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.vault-url-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.vault-url {
  font-size: 0.85rem;
  color: #93c5fd;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 360px;
}

.vault-url:hover {
  text-decoration: underline;
}

.vault-item-actions {
  display: flex;
  gap: 6px;
}

.icon-action-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 5px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.icon-action-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.1);
}

.icon-action-btn.btn-delete:hover {
  color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.15);
}

.vault-item-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  font-size: 0.74rem;
  color: var(--text-muted);
}

.vault-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-muted);
  text-align: center;
}

.vault-empty-state svg {
  margin-bottom: 12px;
  opacity: 0.4;
}

.vault-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.25);
}

.vault-storage-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.vault-storage-hint code {
  color: #a5b4fc;
}

.btn-text-danger {
  background: transparent;
  border: none;
  color: var(--accent-rose);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.15s ease;
}

.btn-text-danger:hover {
  background: rgba(244, 63, 94, 0.1);
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 400px;
  background: rgba(18, 24, 38, 0.95);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInToast 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  backdrop-filter: blur(12px);
}

.toast-success { border-color: rgba(16, 185, 129, 0.4); }
.toast-success .toast-icon { color: var(--accent-emerald); }
.toast-info { border-color: rgba(99, 102, 241, 0.4); }
.toast-info .toast-icon { color: var(--accent-primary); }
.toast-warning { border-color: rgba(244, 63, 94, 0.4); }
.toast-warning .toast-icon { color: var(--accent-rose); }

.toast-content { flex: 1; }
.toast-title { font-size: 0.88rem; font-weight: 600; color: var(--text-main); }
.toast-desc { font-size: 0.78rem; color: var(--text-secondary); margin-top: 2px; }

@keyframes slideInToast {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Confetti */
.confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1500;
  width: 100vw;
  height: 100vh;
}

/* Responsive */
@media (max-width: 640px) {
  .hero-card {
    padding: 28px 18px;
  }
  .student-meta-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .action-footer {
    flex-direction: column-reverse;
    gap: 12px;
    align-items: stretch;
  }
  .btn-primary {
    justify-content: center;
    width: 100%;
  }
  .storage-tag {
    justify-content: center;
  }
  .vault-panel {
    max-width: 100%;
  }
}