@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600&display=swap');

:root {
  --bg: #05070d;
  --bg-elevated: #080b14;
  --sidebar-bg: rgba(10, 14, 24, 0.85);
  --card-bg: rgba(255, 255, 255, 0.035);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-hover: rgba(255, 255, 255, 0.16);
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.35);
  --success: #22c55e;
  --success-glow: rgba(34, 197, 94, 0.35);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.3);
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.3);
  --text: #f1f5f9;
  --text-secondary: #8b93a7;
  --radius: 1.2rem;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  --blur: blur(20px);
}

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

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(59, 130, 246, 0.12), transparent),
    radial-gradient(ellipse 700px 500px at 100% 10%, rgba(34, 197, 94, 0.08), transparent),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---------------- LOGIN ---------------- */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background:
    radial-gradient(ellipse 800px 600px at 50% 0%, rgba(59, 130, 246, 0.16), transparent),
    radial-gradient(ellipse 600px 500px at 100% 100%, rgba(34, 197, 94, 0.1), transparent),
    var(--bg);
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--card-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  padding: 2.4rem;
}

.login-brand {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.login-brand span {
  color: var(--text-secondary);
  font-weight: 500;
}

.login-sub {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.8rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

/* ---------------- FIELDS ---------------- */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.field input,
.field select,
.field textarea {
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  border-radius: 0.7rem;
  padding: 0.7rem 0.9rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(139, 147, 167, 0.6);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.field-error {
  color: #f87171;
  font-size: 0.78rem;
}

/* ---------------- BUTTONS ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.3rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2563eb);
  color: #ffffff;
  box-shadow: 0 4px 20px -6px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 10px 28px -8px var(--accent-glow);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  border: 1px solid var(--card-border);
}

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

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-block {
  width: 100%;
}

.btn-add {
  margin-left: auto;
}

/* ---------------- ALERTS ---------------- */
.alert {
  padding: 0.8rem 1rem;
  border-radius: 0.7rem;
  font-size: 0.88rem;
  margin-bottom: 1.2rem;
  border: 1px solid transparent;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.25);
}

.alert-success {
  background: rgba(34, 197, 94, 0.1);
  color: #86efac;
  border-color: rgba(34, 197, 94, 0.25);
}

/* ---------------- ADMIN SHELL ---------------- */
.admin-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  flex: none;
  background: var(--sidebar-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-right: 1px solid var(--card-border);
  color: var(--text);
  padding: 1.8rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-brand {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.sidebar-brand span {
  color: var(--text-secondary);
  font-weight: 500;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.sidebar-nav a {
  padding: 0.65rem 0.8rem;
  border-radius: 0.7rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.sidebar-nav a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.sidebar-nav a.active {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.35);
  color: #93c5fd;
  box-shadow: 0 0 20px -6px var(--accent-glow);
}

.sidebar-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 40;
  background: var(--sidebar-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--card-border);
  color: var(--text);
  border-radius: 0.6rem;
  padding: 0.5rem;
  cursor: pointer;
}

.admin-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 2rem;
  background: rgba(8, 11, 20, 0.6);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--card-border);
}

.admin-header-title {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
}

.admin-header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.admin-header-user {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.admin-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

/* ---------------- STATS ---------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}

.stat-card {
  background: var(--card-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  padding: 1.4rem 1.6rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.stat-card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-2px);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
}

.stat-value {
  font-family: "JetBrains Mono", monospace;
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.stat-success .stat-value {
  color: var(--success);
  text-shadow: 0 0 18px var(--success-glow);
}

.stat-warning .stat-value {
  color: var(--warning);
  text-shadow: 0 0 18px var(--warning-glow);
}

/* ---------------- CARDS ---------------- */
.card {
  background: var(--card-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  padding: 1.6rem;
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.card-head h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.link-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.chart-card canvas {
  max-height: 260px;
}

/* ---------------- TABLE ---------------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.data-table th {
  text-align: left;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--card-border);
}

.data-table td {
  padding: 0.85rem 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

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

.empty-row {
  text-align: center;
  color: var(--text-secondary);
  padding: 2rem;
}

.actions-cell {
  display: flex;
  gap: 0.9rem;
  align-items: center;
}

.link-action {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.link-danger {
  color: #f87171;
}

.inline-form {
  display: inline;
}

/* ---------------- BADGES ---------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid transparent;
}

.badge-confirmee {
  background: rgba(59, 130, 246, 0.12);
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.3);
}

.badge-livree {
  background: rgba(168, 85, 247, 0.12);
  color: #c4b5fd;
  border-color: rgba(168, 85, 247, 0.3);
}

.badge-payee {
  background: rgba(34, 197, 94, 0.12);
  color: #86efac;
  border-color: rgba(34, 197, 94, 0.3);
  box-shadow: 0 0 14px -4px var(--success-glow);
}

/* ---------------- FILTERS ---------------- */
.filters-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
}

.input-search,
.input-select {
  font-family: inherit;
  font-size: 0.86rem;
  padding: 0.6rem 0.9rem;
  border-radius: 0.7rem;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  outline: none;
}

.input-search {
  flex: 1;
  min-width: 180px;
}

.input-search:focus,
.input-select:focus {
  border-color: var(--accent);
}

/* ---------------- FORM ---------------- */
.form-card {
  max-width: 720px;
}

.collab-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.calc-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  border-radius: 0.9rem;
  padding: 1rem 1.2rem;
}

.calc-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.calc-item span {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.calc-item strong {
  font-family: "JetBrains Mono", monospace;
  font-size: 1.1rem;
  font-weight: 600;
}

.calc-item-net strong {
  color: var(--success);
  text-shadow: 0 0 16px var(--success-glow);
}

.form-actions {
  display: flex;
  gap: 0.8rem;
  margin-top: 0.4rem;
}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 900px) {
  .sidebar-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 30;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.6);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .admin-header {
    padding-left: 4rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .data-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

@media (max-width: 560px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .admin-content {
    padding: 1.2rem;
  }
}