@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg: #070b08;
  --bg-gradient: radial-gradient(circle at top right, #0a3314 0%, #051209 50%, #010402 100%);
  --panel: rgba(22, 33, 26, 0.45);
  --panel-hover: rgba(22, 33, 26, 0.65);
  --panel-solid: #16211a;
  --ink: #f8fafc;
  --muted: #94a89c;
  --accent: #00b82b; /* Fasipe Green */
  --accent-hover: #009e23;
  --green: #00b82b;
  --green-bg: rgba(0, 184, 43, 0.15);
  --danger: #f43f5e; /* Rose red */
  --danger-bg: rgba(244, 63, 94, 0.15);
  --warning: #f59e0b; /* Amber */
  --warning-bg: rgba(245, 158, 11, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --border-focus: rgba(0, 184, 43, 0.4);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
  --inner-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1);
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

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

html {
  background-color: #070b08 !important;
  margin: 0;
  padding: 0;
  min-height: 100%;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 0;
  font-family: var(--font);
  background-color: #070b08 !important;
  background-image: var(--bg-gradient) !important;
  background-attachment: fixed !important;
  background-size: cover !important;
  background-repeat: no-repeat !important;
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* Header & Navigation */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.topbar h1 {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, #a8f5b8 0%, #00b82b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.admin-nav {
  display: flex;
  gap: 12px;
  align-items: center;
}

.admin-nav a {
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s ease;
  box-shadow: var(--inner-shadow);
}

.admin-nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.admin-nav a.active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

a:hover {
  color: #818cf8;
}

/* Premium Card Layout */
.card {
  background: var(--panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 20px;
  box-shadow: var(--glass-shadow), var(--inner-shadow);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  border-color: var(--border-hover);
}

.card h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #fff;
  letter-spacing: -0.3px;
}

.card p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 16px;
}

/* Form Styles */
form.form, .card form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

form.form label, .card form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

form.form input, .card form input, .card form select, .card form textarea {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  transition: all 0.2s ease;
}

form.form input:focus, .card form input:focus, .card form select:focus, .card form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--border-focus);
  background: rgba(15, 23, 42, 0.8);
}

/* Buttons */
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--inner-shadow);
}

button:hover, .btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

button:active, .btn:active {
  transform: translateY(0);
}

button.primary, .btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

button.primary:hover, .btn.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

button:disabled, .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Flash Messages */
ul.flash, .flash {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.flash li {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.flash-success {
  background: var(--green-bg);
  color: #a7f3d0;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.flash-error {
  background: var(--danger-bg);
  color: #fecdd3;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Grade Elements */
.day-title {
  margin: 40px 0 16px;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.day-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 20px;
  background: var(--accent);
  border-radius: 99px;
}

.slot-group {
  background: rgba(30, 41, 59, 0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-top: 20px;
  box-shadow: var(--glass-shadow);
}

.slot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.slot-header h3 {
  font-size: 16px;
  font-weight: 700;
  color: #e2e8f0;
}

/* Grid Layout */
.talks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

/* Talk Card Overhaul */
.talk-card {
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.talk-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

.talk-card.selected {
  border-color: var(--green);
  box-shadow: 0 0 0 1px var(--green), 0 10px 30px -10px rgba(16, 185, 129, 0.25);
  background: rgba(16, 185, 129, 0.04);
}

.talk-card.full {
  transition: opacity 0.3s ease;
}

.talk-card.full:not(.selected) {
  opacity: 0.55;
  background: rgba(15, 23, 42, 0.85);
  border-color: rgba(244, 63, 94, 0.2);
  cursor: not-allowed;
}

.talk-card.full:not(.selected) .checkbox {
  cursor: not-allowed;
}

.talk-card.full:not(.selected) .checkbox span {
  color: var(--danger) !important;
}

.talk-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
}

.talk-header h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

.room {
  font-size: 11px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 99px;
  color: #cbd5e1;
  white-space: nowrap;
}

.speaker {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.talk-card p {
  margin-bottom: 0;
  font-size: 13.5px;
}

.talk-card-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.talk-card-info span {
  font-size: 13px;
  color: var(--muted);
}

.talk-card-info strong {
  color: #e2e8f0;
}

/* Custom details styling / replaced by modal triggers */
.details-trigger {
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  align-self: flex-start;
  box-shadow: none;
  margin-top: 4px;
  transition: color 0.2s;
}

.details-trigger:hover {
  color: #818cf8;
  transform: none;
  background: none;
}

/* Vacancy Progress Bar */
.vacancy-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 99px;
  overflow: hidden;
  margin-top: 4px;
}

.vacancy-fill {
  height: 100%;
  border-radius: 99px;
  transition: width 0.5s ease;
}

.vacancy-fill.green { background: var(--green); }
.vacancy-fill.warning { background: var(--warning); }
.vacancy-fill.danger { background: var(--danger); }

/* Checkbox wrapper */
.checkbox {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
  user-select: none;
  cursor: pointer;
}

.checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  border: 1px solid var(--border);
  accent-color: var(--green);
  cursor: pointer;
}

.checkbox span {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.talk-card.selected .checkbox span {
  color: var(--green);
}

/* Sticky Float Bars */
.summary-bar, .bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 24px 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  padding: 16px 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow), var(--inner-shadow);
}

.summary-bar span {
  font-size: 15px;
  font-weight: 500;
}

.summary-bar strong {
  font-size: 18px;
  color: var(--accent);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(2, 6, 23, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #1e293b;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 550px;
  padding: 32px;
  position: relative;
  box-shadow: var(--glass-shadow), var(--inner-shadow);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 28px;
  color: var(--muted);
  cursor: pointer;
  padding: 4px;
  box-shadow: none;
  line-height: 1;
}

.modal-close:hover {
  color: #fff;
  background: none;
  transform: scale(1.1);
}

.modal-content-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-content-details h3 {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  line-height: 1.3;
}

.modal-speaker-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(15, 23, 42, 0.3);
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.modal-speaker-avatar {
  width: 44px;
  height: 44px;
  border-radius: 99px;
  background: linear-gradient(135deg, #818cf8 0%, #6366f1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  font-size: 16px;
}

.modal-speaker-info {
  display: flex;
  flex-direction: column;
}

.modal-speaker-name {
  font-weight: 700;
  color: #fff;
  font-size: 14px;
}

.modal-speaker-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-details-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.modal-details-item {
  display: flex;
  flex-direction: column;
  background: rgba(15, 23, 42, 0.15);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.modal-details-item span {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  font-weight: 700;
}

.modal-details-item strong {
  font-size: 14px;
  color: #fff;
  margin-top: 2px;
}

/* Email Simulation Toast / Section */
.simulation-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  max-width: 360px;
  background: #0f172a;
  border-left: 4px solid var(--accent);
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.simulation-toast.active {
  transform: translateY(0);
  opacity: 1;
}

.simulation-toast-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.simulation-toast-close {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 16px;
  padding: 0;
  box-shadow: none;
}

.simulation-toast-close:hover {
  color: #fff;
  background: none;
}

.simulation-toast-body {
  font-size: 13.5px;
  color: #e2e8f0;
}

/* Admin Dashboard Metrics */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.metric-card {
  background: var(--panel);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.metric-card span {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
}

.metric-card h3 {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
}

.metric-card p {
  margin-bottom: 0;
  font-size: 12.5px;
  color: var(--muted);
}

/* Horizontal occupancy bar for admin panel */
.occupancy-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.occupancy-info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.occupancy-info strong {
  font-size: 14px;
  color: #fff;
}

.occupancy-info span {
  font-size: 12px;
  color: var(--muted);
}

.occupancy-visual {
  width: 140px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.occupancy-bg {
  flex: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 99px;
  overflow: hidden;
}

.occupancy-fill {
  height: 100%;
  border-radius: 99px;
}

.occupancy-percent {
  font-size: 12.5px;
  font-weight: 700;
  width: 36px;
  text-align: right;
}

/* Log Lists (Email Logs etc) */
.log-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 250px;
  overflow-y: auto;
  padding-right: 4px;
}

.log-item {
  background: rgba(15, 23, 42, 0.3);
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: var(--radius-md);
  font-size: 13px;
}

.log-item-header {
  display: flex;
  justify-content: space-between;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 4px;
}

.log-item-body {
  color: #cbd5e1;
}

.agenda-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.agenda-list li {
  background: rgba(30, 41, 59, 0.2);
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.admin-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  align-items: start;
}

@media (max-width: 900px) {
  .admin-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile Responsive Optimizations */
@media (max-width: 600px) {
  .wrap {
    padding: 16px 12px;
  }
  .topbar {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
  }
  .topbar h1 {
    font-size: 24px;
  }
  .admin-nav {
    width: 100%;
    justify-content: center;
  }
  .card, .slot-group {
    padding: 16px;
  }
  .talk-card {
    padding: 16px;
  }
  .bottom-bar {
    flex-direction: column;
    gap: 10px;
  }
  .bottom-bar button, .bottom-bar a {
    width: 100%;
    text-align: center;
  }
  .modal-card {
    padding: 24px 16px;
  }
  .modal-details-grid {
    grid-template-columns: 1fr;
  }
  .summary-bar {
    flex-direction: column;
    gap: 12px;
    align-items: center;
    text-align: center;
  }
  .summary-bar button, .summary-bar a {
    width: 100%;
    text-align: center;
  }
}