/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #4f7981;
  --color-surface: #5d8991;
  --color-primary: #3f7078;
  --color-primary-hover: #345f66;
  --color-primary-light: #7aa4ab;
  --color-success: #4e8a93;
  --color-success-light: #6f9da4;
  --color-warning: #5b8f98;
  --color-warning-light: #7ea7ad;
  --color-danger: #4a7f88;
  --color-danger-light: #6b99a0;
  --color-text: #f4f1e8;
  --color-text-secondary: #ece8de;
  --color-text-muted: #ddd8cc;
  --color-border: #87aeb4;
  --color-border-hover: #9bc0c5;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(7, 24, 28, 0.18);
  --shadow-md: 0 4px 10px -1px rgba(7, 24, 28, 0.2), 0 2px 6px -2px rgba(7, 24, 28, 0.16);
  --shadow-lg: 0 10px 22px -3px rgba(7, 24, 28, 0.25), 0 4px 10px -4px rgba(7, 24, 28, 0.2);
  --transition: 0.2s ease;
}

body {
  font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ===== Intro ===== */
.intro {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 36px 24px;
  background:
    radial-gradient(circle at 14% 18%, rgba(154, 203, 209, 0.2), transparent 38%),
    radial-gradient(circle at 86% 14%, rgba(112, 164, 171, 0.18), transparent 32%),
    linear-gradient(145deg, #264d53 0%, #2d6169 52%, #387680 100%);
  overflow: hidden;
}

.intro-overlay {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(120deg, rgba(255, 255, 255, 0.035) 8%, transparent 8%, transparent 50%, rgba(255, 255, 255, 0.035) 50%, rgba(255, 255, 255, 0.035) 58%, transparent 58%, transparent 100%);
  background-size: 150px 150px;
  opacity: 0.14;
  pointer-events: none;
}

.intro-content {
  position: relative;
  z-index: 1;
  width: min(980px, 100%);
  color: #f4f1e8;
  animation: introRevealRight 1s cubic-bezier(0.23, 1, 0.32, 1);
}

@keyframes introRevealRight {
  from {
    opacity: 0;
    transform: translateX(72px);
  }

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

.intro-kicker {
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: #f4f1e8;
  opacity: 0.95;
}

.intro-title {
  font-family: 'Merriweather', Georgia, serif;
  font-size: clamp(34px, 5.3vw, 58px);
  line-height: 1.12;
  margin-top: 10px;
  color: #f4f1e8;
}

.intro-subtitle {
  margin-top: 14px;
  max-width: 760px;
  color: #f4f1e8;
  font-size: clamp(18px, 2.1vw, 23px);
}

.presentation {
  margin-top: 28px;
  background: rgba(16, 48, 54, 0.42);
  border: 1px solid rgba(228, 237, 238, 0.24);
  border-radius: 16px;
  backdrop-filter: blur(7px);
  min-height: 210px;
  position: relative;
  overflow: hidden;
}

.presentation-slide {
  position: absolute;
  inset: 0;
  padding: 24px 28px;
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.23, 1, 0.32, 1);
}

.presentation-slide.image-slide {
  padding: 12px;
}

.presentation-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(198, 223, 228, 0.34);
}

.presentation-slide.is-active {
  opacity: 1;
  transform: translateX(0);
  animation: presentationSlideIn 0.65s cubic-bezier(0.23, 1, 0.32, 1);
}

@keyframes presentationSlideIn {
  from {
    opacity: 0;
    transform: translateX(34px);
  }

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

.slide-step {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  padding: 5px 10px;
  border: 1px solid rgba(244, 241, 232, 0.56);
  border-radius: 20px;
  color: #f4f1e8;
}

.presentation-slide h2 {
  font-family: 'Merriweather', Georgia, serif;
  margin-top: 12px;
  font-size: clamp(22px, 3vw, 31px);
  line-height: 1.2;
  color: #f4f1e8;
}

.presentation-slide p {
  margin-top: 8px;
  max-width: 720px;
  font-size: 18px;
  color: #f4f1e8;
}

.efemerides-slide h2 {
  letter-spacing: 0.02em;
}

.efemerides-slide p {
  position: relative;
  margin-top: 12px;
  padding-left: 24px;
  font-family: 'Merriweather', Georgia, serif;
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.6;
  font-style: italic;
}

.efemerides-slide p::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -4px;
  font-size: 30px;
  line-height: 1;
  color: rgba(244, 241, 232, 0.9);
}

.presentation-controls {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.control-btn {
  background: transparent;
  color: #f4f1e8;
  border: 1px solid rgba(244, 241, 232, 0.5);
  border-radius: 10px;
  padding: 8px 14px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.control-btn:hover {
  background: rgba(244, 241, 232, 0.12);
  border-color: rgba(244, 241, 232, 0.72);
}

.slide-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

.slide-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: none;
  background: rgba(244, 241, 232, 0.34);
  cursor: pointer;
  transition: transform var(--transition), background var(--transition);
}

.slide-dot.is-active {
  background: #f4f1e8;
  transform: scale(1.15);
}

.intro-actions {
  margin-top: 24px;
}

.btn-enter {
  background: rgba(20, 58, 64, 0.72);
  color: #f4f1e8;
  border: 1px solid rgba(244, 241, 232, 0.45);
  border-radius: 10px;
  padding: 14px 22px;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(9, 28, 32, 0.28);
}

.btn-enter:hover {
  background: rgba(24, 69, 75, 0.78);
  transform: translateY(-1px);
}

/* ===== App Layout ===== */
.app {
  min-height: 100vh;
  display: none;
  flex-direction: column;
}

.app.is-visible {
  display: flex;
  animation: portalFadeIn 0.45s ease;
}

@keyframes portalFadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* ===== Header ===== */
.header {
  background: linear-gradient(135deg, #2f6068 0%, #3e7b84 100%);
  color: var(--color-text);
  padding: 0;
  box-shadow: 0 4px 20px rgba(7, 24, 28, 0.24);
}

.header-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: rgba(244, 241, 232, 0.18);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(244, 241, 232, 0.22);
}

.logo-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.logo-subtitle {
  font-size: 13px;
  opacity: 0.8;
  font-weight: 400;
  margin-top: 2px;
}

.header-stats {
  display: flex;
  gap: 28px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.stat-number {
  font-size: 26px;
  font-weight: 700;
}

.stat-label {
  font-size: 12px;
  opacity: 0.75;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

/* ===== Main ===== */
.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ===== Cards ===== */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.card-header {
  padding: 24px 28px 0;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.2px;
}

.card-description {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* ===== Form ===== */
.form {
  padding: 20px 28px 28px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-group input,
.form-group select {
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  color: var(--color-text);
  background: rgba(52, 90, 97, 0.55);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

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

.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(63, 112, 120, 0.28);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  outline: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text);
  width: 100%;
  padding: 14px 24px;
  font-size: 15px;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(7, 24, 28, 0.24);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(7, 24, 28, 0.3);
  transform: translateY(-1px);
}

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

.btn-icon {
  font-size: 18px;
  transition: transform var(--transition);
}

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

.btn-copy {
  background: var(--color-primary);
  color: var(--color-text);
  padding: 10px 20px;
  white-space: nowrap;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.btn-copy:hover {
  background: var(--color-primary-hover);
}

.btn-copy.copied {
  background: var(--color-success);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-text-secondary);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(122, 164, 171, 0.35);
}

.btn-danger-outline {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-text-secondary);
}

.btn-danger-outline:hover {
  border-color: var(--color-danger);
  color: var(--color-text);
  background: rgba(107, 153, 160, 0.42);
}

/* ===== Link Result ===== */
.link-result-card {
  border-color: var(--color-success);
  border-width: 2px;
  animation: slideDown 0.35s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }

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

.success-title {
  color: var(--color-success);
}

.link-display {
  padding: 16px 28px 28px;
}

.link-box {
  display: flex;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.link-box input {
  flex: 1;
  padding: 12px 16px;
  border: none;
  font-size: 13px;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  color: var(--color-text);
  background: rgba(56, 95, 102, 0.7);
  outline: none;
}

.link-meta {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.link-meta-item {
  font-size: 13px;
  color: var(--color-text-secondary);
  background: rgba(56, 95, 102, 0.55);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 48px 28px;
}

.empty-icon {
  font-size: 40px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.empty-state p {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* ===== Table ===== */
.table-wrapper {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table thead {
  background: rgba(50, 87, 94, 0.78);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.table th {
  padding: 12px 20px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table td {
  padding: 14px 20px;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table tbody tr {
  transition: background var(--transition);
}

.table tbody tr:hover {
  background: rgba(56, 95, 102, 0.38);
}

.member-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.member-name {
  font-weight: 500;
  color: var(--color-text);
}

.member-email {
  font-size: 12px;
  color: var(--color-text-muted);
}

.link-short {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 12px;
  color: var(--color-text);
  background: rgba(122, 164, 171, 0.5);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--transition);
  border: none;
  font-weight: 500;
}

.link-short:hover {
  background: rgba(135, 174, 180, 0.66);
}

/* ===== Badges ===== */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.badge-role {
  background: rgba(122, 164, 171, 0.46);
  color: var(--color-text);
}

.badge-active {
  background: rgba(111, 157, 164, 0.52);
  color: var(--color-text);
}

.badge-expired {
  background: rgba(107, 153, 160, 0.52);
  color: var(--color-text);
}

.badge-pending {
  background: rgba(126, 167, 173, 0.52);
  color: var(--color-text);
}

/* ===== Actions ===== */
.actions {
  display: flex;
  gap: 6px;
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-primary);
  color: var(--color-text);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 24px;
  color: var(--color-text-muted);
  font-size: 13px;
  border-top: 1px solid var(--color-border);
  margin-top: auto;
  background: rgba(46, 81, 88, 0.5);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .intro {
    padding: 22px 14px;
  }

  .intro-subtitle {
    font-size: 17px;
  }

  .presentation {
    min-height: 250px;
  }

  .presentation-slide {
    padding: 18px;
  }

  .presentation-slide.image-slide {
    padding: 8px;
  }

  .presentation-slide p {
    font-size: 16px;
  }

  .presentation-controls {
    flex-wrap: wrap;
    justify-content: center;
  }

  .header-content {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .logo {
    flex-direction: column;
    gap: 10px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .card-header {
    padding: 20px 20px 0;
  }

  .form {
    padding: 16px 20px 20px;
  }

  .link-display {
    padding: 12px 20px 20px;
  }

  .table th,
  .table td {
    padding: 10px 14px;
  }

  .link-meta {
    flex-direction: column;
    gap: 8px;
  }

  .main {
    padding: 20px 16px;
  }

  .actions {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .presentation {
    min-height: 285px;
  }

  .control-btn {
    flex: 1;
    min-width: 120px;
  }

  .btn-enter {
    width: 100%;
  }

  .header-stats {
    gap: 20px;
  }

  .stat-number {
    font-size: 22px;
  }

  .logo-title {
    font-size: 18px;
  }

  .table {
    font-size: 13px;
  }
}