/* ============================================================
   Holigram SMS Platform — Premium UI Stylesheet
   ============================================================ */

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

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --bg:           #0d0f1a;
  --bg2:          #13162a;
  --bg3:          #1a1e35;
  --card:         rgba(255,255,255,0.04);
  --card-border:  rgba(255,255,255,0.08);
  --primary:      #4f7dff;
  --primary-glow: rgba(79,125,255,0.35);
  --primary-dark: #3a63e0;
  --success:      #2dd6a3;
  --success-bg:   rgba(45,214,163,0.12);
  --danger:       #ff5c7a;
  --danger-bg:    rgba(255,92,122,0.12);
  --warning:      #f5a623;
  --warning-bg:   rgba(245,166,35,0.12);
  --info:         #5bc0eb;
  --text:         #e8ecf7;
  --text-muted:   #7a84a8;
  --text-dim:     #4a5270;
  --radius:       14px;
  --radius-sm:    8px;
  --shadow:       0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow:  0 0 40px rgba(79,125,255,0.15);
  --transition:   all 0.25s cubic-bezier(0.4,0,0.2,1);
  --sidebar-w:    240px;
}

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

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: #7aa3ff; }

/* ── Layout ────────────────────────────────────────────────── */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ───────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: var(--transition);
}

.sidebar-logo {
  padding: 28px 24px 24px;
  border-bottom: 1px solid var(--card-border);
}

.sidebar-logo .logo-mark {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo .logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--primary), #a855f7);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.sidebar-logo .logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  background: linear-gradient(135deg, #fff 40%, #a0b4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-logo .logo-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 2px;
  letter-spacing: 0.5px;
}

.sidebar-nav {
  padding: 20px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 14px 12px 6px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
  background: var(--card);
  color: var(--text);
}

.nav-link.active {
  background: linear-gradient(135deg, rgba(79,125,255,0.2), rgba(168,85,247,0.15));
  color: #a0b4ff;
  border: 1px solid rgba(79,125,255,0.2);
}

.nav-link .icon { width: 18px; text-align: center; font-size: 1rem; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--card-border);
}

.sidebar-footer .user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: var(--card);
}

.user-avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--primary), #a855f7);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.user-name { font-size: 0.85rem; font-weight: 600; }
.user-role { font-size: 0.7rem; color: var(--text-muted); }

/* ── Main content ──────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  height: 64px;
  background: var(--bg2);
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
}

.page-title { font-size: 1.05rem; font-weight: 600; color: var(--text); }
.page-breadcrumb { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

.topbar-actions { display: flex; align-items: center; gap: 12px; }

.content-area { padding: 32px; flex: 1; }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card:hover { border-color: rgba(79,125,255,0.2); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.card-subtitle { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

/* ── Stat Cards ────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
}

.stat-card.blue::before  { background: linear-gradient(90deg, var(--primary), #a855f7); }
.stat-card.green::before { background: linear-gradient(90deg, var(--success), #0dd696); }
.stat-card.red::before   { background: linear-gradient(90deg, var(--danger), #ff8c69); }
.stat-card.amber::before { background: linear-gradient(90deg, var(--warning), #f7c948); }

.stat-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}

.stat-icon.blue   { background: rgba(79,125,255,0.15); }
.stat-icon.green  { background: rgba(45,214,163,0.15); }
.stat-icon.red    { background: rgba(255,92,122,0.15); }
.stat-icon.amber  { background: rgba(245,166,35,0.15); }

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1;
}

.stat-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 500; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #6c5ce7);
  color: #fff;
  box-shadow: 0 4px 16px var(--primary-glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 24px var(--primary-glow); color: #fff; }

.btn-success {
  background: linear-gradient(135deg, var(--success), #0fbf8c);
  color: #fff;
  box-shadow: 0 4px 16px rgba(45,214,163,0.3);
}
.btn-success:hover { transform: translateY(-1px); color: #fff; }

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #e63956);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255,92,122,0.3);
}
.btn-danger:hover { transform: translateY(-1px); color: #fff; }

.btn-warning {
  background: linear-gradient(135deg, var(--warning), #e09000);
  color: #fff;
}
.btn-warning:hover { transform: translateY(-1px); color: #fff; }

.btn-ghost {
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
}
.btn-ghost:hover { background: var(--bg3); color: var(--text); }

.btn-sm { padding: 7px 14px; font-size: 0.8rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

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

/* ── Forms ─────────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.2px;
}

.form-control {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

textarea.form-control { resize: vertical; min-height: 120px; line-height: 1.6; }

.form-hint { font-size: 0.75rem; color: var(--text-dim); margin-top: 5px; }

.char-counter { font-size: 0.75rem; color: var(--text-muted); text-align: right; margin-top: 4px; }
.char-counter.warn { color: var(--warning); }
.char-counter.over { color: var(--danger); }

/* ── Progress Bar ──────────────────────────────────────────── */
.progress-wrap {
  background: var(--bg3);
  border-radius: 99px;
  height: 10px;
  overflow: hidden;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--success));
  border-radius: 99px;
  transition: width 0.6s ease;
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 30px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3));
  animation: shimmer 1.2s infinite;
}

@keyframes shimmer {
  from { opacity: 0.5; }
  to   { opacity: 1; }
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ── Tables ────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
}

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

thead th {
  background: var(--bg3);
  padding: 12px 16px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-bottom: 1px solid var(--card-border);
  white-space: nowrap;
}

tbody td {
  padding: 13px 16px;
  font-size: 0.875rem;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,0.02); }

/* ── Badges ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger  { background: var(--danger-bg);  color: var(--danger); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-info    { background: rgba(91,192,235,0.12); color: var(--info); }
.badge-muted   { background: rgba(122,132,168,0.12); color: var(--text-muted); }

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ── Alerts / Flash ────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 20px;
  border: 1px solid;
}

.alert-success { background: var(--success-bg); border-color: rgba(45,214,163,0.3); color: var(--success); }
.alert-error   { background: var(--danger-bg);  border-color: rgba(255,92,122,0.3); color: var(--danger); }
.alert-warning { background: var(--warning-bg); border-color: rgba(245,166,35,0.3); color: var(--warning); }
.alert-info    { background: rgba(91,192,235,0.1); border-color: rgba(91,192,235,0.3); color: var(--info); }

/* ── Upload Zone ───────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--card-border);
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--card);
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--primary);
  background: rgba(79,125,255,0.06);
}

.upload-icon { font-size: 3rem; margin-bottom: 12px; }
.upload-title { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.upload-hint { font-size: 0.8rem; color: var(--text-muted); }

/* ── Log terminal ──────────────────────────────────────────── */
.log-terminal {
  background: #0a0c16;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  height: 260px;
  overflow-y: auto;
  line-height: 1.8;
  color: #b0b8d8;
}

.log-terminal::-webkit-scrollbar { width: 4px; }
.log-terminal::-webkit-scrollbar-track { background: transparent; }
.log-terminal::-webkit-scrollbar-thumb { background: var(--text-dim); border-radius: 2px; }

.log-sent   { color: var(--success); }
.log-failed { color: var(--danger); }
.log-info   { color: var(--info); }
.log-warn   { color: var(--warning); }

/* ── Login page ────────────────────────────────────────────── */
.login-bg {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 20% 20%, rgba(79,125,255,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(168,85,247,0.08) 0%, transparent 50%);
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg2);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 44px;
  box-shadow: var(--shadow), var(--shadow-glow);
}

.login-logo {
  text-align: center;
  margin-bottom: 36px;
}

.login-logo .logo-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--primary), #a855f7);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin: 0 auto 14px;
  box-shadow: 0 8px 32px var(--primary-glow);
}

.login-logo h1 {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff, #a0b4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-logo p { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

/* ── Divider ───────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--card-border);
  margin: 24px 0;
}

/* ── Campaign runner controls ──────────────────────────────── */
.control-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.big-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  border-radius: var(--radius);
  min-width: 120px;
  flex: 1;
}

.big-stat .val { font-size: 2.4rem; font-weight: 800; line-height: 1; }
.big-stat .lbl { font-size: 0.75rem; color: var(--text-muted); margin-top: 6px; font-weight: 500; }

.live-dot {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--success);
  border-radius: 50%;
  margin-right: 6px;
  animation: pulse 1.2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

/* ── Grid helpers ──────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* ── Spinner ───────────────────────────────────────────────── */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

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

/* ── Import progress ───────────────────────────────────────── */
.import-progress {
  display: none;
  margin-top: 20px;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar { width: 60px; }
  .sidebar-logo .logo-text,
  .sidebar-logo .logo-sub,
  .nav-link span,
  .nav-label,
  .user-name, .user-role { display: none; }
  .main-content { margin-left: 60px; }
  .content-area { padding: 20px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Scrollbars ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Tooltips ──────────────────────────────────────────────── */
[data-tooltip] { position: relative; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg3);
  border: 1px solid var(--card-border);
  color: var(--text);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
}
[data-tooltip]:hover::after { opacity: 1; }

/* ── Empty state ───────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon { font-size: 3.5rem; margin-bottom: 16px; opacity: 0.4; }
.empty-state h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.empty-state p  { font-size: 0.85rem; max-width: 320px; margin: 0 auto 20px; }