/* SMS Forward Platform — Main Stylesheet */
:root {
    --primary: #4F46E5;
    --primary-dark: #3730A3;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --bg: #F1F5F9;
    --card-bg: #FFFFFF;
    --text: #1E293B;
    --muted: #64748B;
    --border: #E2E8F0;
    --radius: 10px;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.6;
}

/* Navbar */
.navbar {
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    padding: 0 24px;
    height: 56px;
    gap: 24px;
    box-shadow: 0 2px 8px rgba(79,70,229,0.3);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-brand { font-size: 18px; font-weight: 700; letter-spacing: -0.3px; }
.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.15s;
}
.nav-links a:hover, .nav-links a.active {
    background: rgba(255,255,255,0.15);
    color: #fff;
}
.nav-user { font-size: 14px; color: rgba(255,255,255,0.85); }

/* Container */
.container {
    max-width: 1100px;
    margin: 32px auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.card h3 { font-size: 17px; font-weight: 600; margin-bottom: 16px; }

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}
.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.stat-icon { font-size: 28px; margin-bottom: 8px; }
.stat-num { font-size: 32px; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.form-group input, .form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: 7px;
    font-size: 14px;
    color: var(--text);
    background: #FAFAFA;
    transition: border-color 0.15s;
    outline: none;
}
.form-group input:focus, .form-group select:focus {
    border-color: var(--primary);
    background: #fff;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group-sm { max-width: 120px; }
.checkboxes { display: flex; gap: 24px; align-items: center; margin-bottom: 16px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }
.checkbox-label input { width: auto; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 18px;
    border: none; border-radius: 7px; cursor: pointer;
    font-size: 14px; font-weight: 600;
    transition: all 0.15s;
    text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; padding: 12px; font-size: 15px; }

/* Tables */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
    background: var(--bg);
    padding: 10px 14px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    border-bottom: 1px solid var(--border);
}
.table td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: #F8FAFC; }
.msg-cell { max-width: 260px; }

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.badge-sms { background: #EEF2FF; color: var(--primary); }
.badge-call { background: #ECFDF5; color: var(--success); }
.badge-success { background: #ECFDF5; color: var(--success); }
.badge-error { background: #FEF2F2; color: var(--danger); cursor: help; }
.badge-warning { background: #FFFBEB; color: var(--warning); }
.badge-muted { background: #F1F5F9; color: var(--muted); }

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
}
.alert-error { background: #FEF2F2; color: #B91C1C; border-left: 4px solid var(--danger); }
.alert-success { background: #ECFDF5; color: #065F46; border-left: 4px solid var(--success); }
.alert-warning { background: #FFFBEB; color: #92400E; border-left: 4px solid var(--warning); }
.alert a { color: inherit; font-weight: 600; }

/* Token box */
.token-box {
    display: flex; align-items: center; gap: 12px;
    background: #F8FAFC;
    border: 1.5px solid var(--border);
    border-radius: 7px;
    padding: 12px 16px;
    margin: 10px 0;
}
.token-box code {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--primary);
    word-break: break-all;
    flex: 1;
}

/* Auth pages */
body.auth-page {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.auth-box {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.auth-logo { font-size: 28px; text-align: center; margin-bottom: 8px; }
.auth-box h2 { text-align: center; margin-bottom: 24px; font-size: 22px; }
.auth-link { text-align: center; margin-top: 20px; font-size: 14px; color: var(--muted); }
.auth-link a { color: var(--primary); text-decoration: none; font-weight: 600; }

/* Utility */
.text-muted { color: var(--muted); font-size: 13px; }
.text-center { text-align: center; }

/* Responsive */
@media (max-width: 600px) {
    .form-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .navbar { padding: 0 12px; gap: 12px; }
    .container { padding: 0 12px; margin: 16px auto; }
}