/* ==========================================
   FacBTP Admin — Styles
   W2K-Digital 2025
   ========================================== */

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

:root {
  --primary:    #1E3A5F;
  --primary-l:  #2563EB;
  --accent:     #F5A623;
  --green:      #16a34a;
  --green-l:    #dcfce7;
  --orange:     #ea580c;
  --orange-l:   #fff7ed;
  --red:        #dc2626;
  --red-l:      #fee2e2;
  --gray-50:    #f8fafc;
  --gray-100:   #f1f5f9;
  --gray-200:   #e2e8f0;
  --gray-400:   #94a3b8;
  --gray-600:   #475569;
  --gray-800:   #1e293b;
  --white:      #ffffff;
  --shadow:     0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:  0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --radius:     8px;
  --sidebar-w:  240px;
}

body { font-family: 'Inter', sans-serif; font-size: 14px; color: var(--gray-800); background: var(--gray-50); line-height: 1.5; }

/* ==========================================
   LOGIN
   ========================================== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 60%, #1d4ed8 100%);
}

.login-card {
  background: var(--white);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 25px 50px rgba(0,0,0,0.25);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 2rem;
}

.login-logo__icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.login-logo__title { font-size: 1.25rem; font-weight: 700; color: var(--primary); }
.login-logo__sub   { font-size: 0.75rem; color: var(--gray-400); }

.login-title { font-size: 1.5rem; font-weight: 700; color: var(--gray-800); margin-bottom: 0.25rem; }
.login-desc  { color: var(--gray-400); font-size: 0.875rem; margin-bottom: 1.5rem; }

.login-form { display: flex; flex-direction: column; gap: 1rem; }

.field label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--gray-600); margin-bottom: 6px; }

.field__input-wrap { position: relative; }

.field__input-wrap input,
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--gray-800);
  transition: border-color 0.2s;
  background: var(--white);
}

.field__input-wrap input { padding-right: 44px; }
.field__input-wrap input:focus,
.field input:focus { outline: none; border-color: var(--primary-l); }

.field__eye {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  opacity: 0.6;
}

.login-err {
  color: var(--red);
  font-size: 0.85rem;
  background: var(--red-l);
  padding: 8px 12px;
  border-radius: 6px;
  border-left: 3px solid var(--red);
}

.login-footer { text-align: center; font-size: 0.75rem; color: var(--gray-400); margin-top: 2rem; }

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary  { background: var(--primary); color: var(--white); }
.btn--primary:hover:not(:disabled) { background: #162d4d; }
.btn--primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn--success  { background: var(--green); color: var(--white); }
.btn--success:hover { background: #15803d; }

.btn--outline  { background: var(--white); color: var(--gray-800); border: 1.5px solid var(--gray-200); }
.btn--outline:hover { border-color: var(--gray-400); }

.btn--danger   { background: var(--red); color: var(--white); }

.btn--full     { width: 100%; }
.btn--sm       { padding: 6px 14px; font-size: 0.8rem; }

/* ==========================================
   SIDEBAR
   ========================================== */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--primary);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 0;
  z-index: 100;
}

.sidebar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 1rem;
}

.sidebar__icon {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.sidebar__title { font-size: 1.1rem; font-weight: 700; color: #fff; }
.sidebar__sub   { font-size: 0.7rem; color: rgba(255,255,255,0.5); }

.sidebar__nav { flex: 1; padding: 0 0.75rem; display: flex; flex-direction: column; gap: 4px; }

.sidebar__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.15s;
}

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

.sidebar__logout {
  margin: 0 0.75rem;
  padding: 10px 14px;
  background: rgba(255,255,255,0.08);
  border: none;
  border-radius: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s;
}
.sidebar__logout:hover { background: rgba(239,68,68,0.2); color: #fca5a5; }

/* ==========================================
   ADMIN MAIN
   ========================================== */
.admin-page { display: flex; min-height: 100vh; }

.admin-main {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 1.5rem 2rem;
  min-height: 100vh;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.admin-header__title { font-size: 1.4rem; font-weight: 700; color: var(--gray-800); }
.admin-header__sub   { font-size: 0.8rem; color: var(--gray-400); margin-top: 2px; }

/* ==========================================
   STATS
   ========================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--white);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  border-left: 4px solid;
}

.stat-card--wait    { border-color: var(--orange); }
.stat-card--ok      { border-color: var(--green); }
.stat-card--total   { border-color: var(--primary-l); }
.stat-card--revenue { border-color: var(--accent); }

.stat-card__val {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-800);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-card__label { font-size: 0.8rem; color: var(--gray-400); font-weight: 500; }

/* ==========================================
   FILTER BAR
   ========================================== */
.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 1rem;
}

.filter-btn {
  padding: 7px 16px;
  border-radius: 20px;
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-600);
  font-size: 0.8rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}

.filter-btn:hover,
.filter-btn--active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* ==========================================
   ORDERS TABLE
   ========================================== */
.table-wrap {
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.table-loader,
.table-empty {
  padding: 3rem;
  text-align: center;
  color: var(--gray-400);
  font-size: 0.9rem;
}

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

.orders-table thead tr {
  background: var(--gray-50);
  border-bottom: 2px solid var(--gray-200);
}

.orders-table thead th {
  padding: 12px 14px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gray-600);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  white-space: nowrap;
}

.orders-table tbody tr {
  border-bottom: 1px solid var(--gray-100);
  transition: background 0.1s;
  cursor: pointer;
}

.orders-table tbody tr:hover { background: var(--gray-50); }
.orders-table tbody tr:last-child { border-bottom: none; }

.orders-table tbody td {
  padding: 12px 14px;
  font-size: 0.85rem;
  color: var(--gray-800);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge--wait   { background: var(--orange-l); color: var(--orange); }
.badge--sent   { background: var(--green-l);  color: var(--green);  }
.badge--error  { background: var(--red-l);    color: var(--red);    }

.action-btn {
  padding: 5px 12px;
  border-radius: 6px;
  border: 1.5px solid var(--primary);
  background: var(--white);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}
.action-btn:hover { background: var(--primary); color: var(--white); }
.action-btn--sent { border-color: var(--gray-200); color: var(--gray-400); cursor: default; }
.action-btn--sent:hover { background: var(--white); color: var(--gray-400); }

/* ==========================================
   DOCUMENT PAGE
   ========================================== */
.doc-info-bar {
  display: flex;
  gap: 0;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.doc-info-bar__item {
  flex: 1;
  padding: 1rem 1.25rem;
  border-right: 1px solid var(--gray-100);
}
.doc-info-bar__item:last-child { border-right: none; }

.doc-info-bar__label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 4px;
}

.doc-info-bar__val { font-size: 0.9rem; font-weight: 600; color: var(--gray-800); }
.doc-info-bar__val--amount { color: var(--primary); font-size: 1.1rem; }

.send-success {
  background: var(--green-l);
  border: 1.5px solid #86efac;
  color: var(--green);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.doc-preview-wrap {
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.doc-preview-frame {
  padding: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

/* ==========================================
   SPINNER
   ========================================== */
.spinner-sm {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}

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

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }
  .sidebar { display: none; }
  .admin-main { padding: 1rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .doc-info-bar { flex-wrap: wrap; }
  .doc-info-bar__item { min-width: 50%; }
}