/* ===== Samandağ Belediyesi SMS Panel - Premium Design System ===== */

:root {
    --primary: #3b82f6;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;
    --purple: #8b5cf6;

    --bg-body: #0f172a;
    --bg-sidebar: #1e293b;
    --bg-card: #1e293b;
    --bg-input: #0f172a;
    --bg-hover: rgba(255,255,255,0.04);
    --border-color: rgba(255,255,255,0.06);

    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --sidebar-width: 260px;
    --topbar-height: 64px;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.2s ease;
}

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

html { font-size: 14px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.page-content { padding: 24px; flex: 1; }

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

.sidebar-brand {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand-icon {
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; color: #fff;
    box-shadow: 0 4px 12px rgba(59,130,246,0.3);
}

.sidebar-brand-text {
    font-size: 14px; font-weight: 700; color: var(--text-primary);
    line-height: 1.3;
}
.sidebar-brand-text small { display: block; font-size: 11px; font-weight: 400; color: var(--text-muted); }

.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }

.nav-section {
    padding: 16px 20px 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
}

.nav-link {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 20px;
    color: var(--text-secondary);
    font-size: 13px; font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
    margin: 1px 0;
}
.nav-link:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-link.active {
    background: rgba(59,130,246,0.1);
    color: var(--primary-light);
    border-left-color: var(--primary);
    font-weight: 600;
}
.nav-link i { width: 20px; text-align: center; font-size: 15px; }

.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border-color); }
.sidebar-footer .version { font-size: 11px; color: var(--text-muted); text-align: center; }

.sidebar-overlay {
    display: none;
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6); z-index: 99;
    backdrop-filter: blur(4px);
}

/* ===== Topbar ===== */
.topbar {
    height: var(--topbar-height);
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px;
    position: sticky; top: 0; z-index: 50;
    backdrop-filter: blur(20px);
}

.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-toggle { display: none; background: none; border: none; color: var(--text-secondary); font-size: 20px; cursor: pointer; padding: 8px; }
.topbar-title { font-size: 18px; font-weight: 700; color: var(--text-primary); }

.topbar-right { display: flex; align-items: center; gap: 16px; }

.topbar-user { position: relative; }
.topbar-user-btn {
    display: flex; align-items: center; gap: 10px;
    background: none; border: none; color: var(--text-primary);
    cursor: pointer; padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.topbar-user-btn:hover { background: var(--bg-hover); }

.topbar-user-avatar {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700; color: #fff;
}

.topbar-dropdown {
    position: absolute; top: 100%; right: 0;
    background: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    min-width: 200px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    display: none; z-index: 60;
    overflow: hidden;
}
.topbar-user:hover .topbar-dropdown { display: block; }
.topbar-dropdown a, .topbar-dropdown button {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px; width: 100%;
    color: var(--text-secondary); font-size: 13px;
    background: none; border: none; cursor: pointer;
    transition: var(--transition); text-align: left;
}
.topbar-dropdown a:hover, .topbar-dropdown button:hover { background: var(--bg-hover); color: var(--text-primary); }
.topbar-dropdown .divider { height: 1px; background: var(--border-color); margin: 4px 0; }

/* ===== Cards ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}
.card:hover { border-color: rgba(255,255,255,0.1); }

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: space-between;
}
.card-header h3 { font-size: 15px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.card-header h3 i { color: var(--primary-light); }

.card-body { padding: 20px; }
.card-footer { padding: 12px 20px; border-top: 1px solid var(--border-color); }

/* ===== Stats Grid ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    display: flex; align-items: center; gap: 16px;
    transition: var(--transition);
    position: relative; overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute; top: 0; left: 0; bottom: 0;
    width: 4px;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

.stat-card-blue::before { background: var(--primary); }
.stat-card-green::before { background: var(--success); }
.stat-card-purple::before { background: var(--purple); }
.stat-card-orange::before { background: var(--warning); }
.stat-card-red::before { background: var(--danger); }

.stat-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; flex-shrink: 0;
}
.stat-card-blue .stat-icon { background: rgba(59,130,246,0.15); color: var(--primary-light); }
.stat-card-green .stat-icon { background: rgba(16,185,129,0.15); color: var(--success); }
.stat-card-purple .stat-icon { background: rgba(139,92,246,0.15); color: var(--purple); }
.stat-card-orange .stat-icon { background: rgba(245,158,11,0.15); color: var(--warning); }
.stat-card-red .stat-icon { background: rgba(239,68,68,0.15); color: var(--danger); }

.stat-value { font-size: 28px; font-weight: 800; line-height: 1.2; }
.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 500; }

/* ===== Dashboard Grid ===== */
.dashboard-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 20px; margin-bottom: 24px; }

/* ===== Quick Actions ===== */
.quick-actions { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.quick-action-btn {
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    padding: 16px; border-radius: var(--radius);
    background: var(--bg-hover); border: 1px solid var(--border-color);
    transition: var(--transition); color: var(--text-primary);
    text-align: center;
}
.quick-action-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.2); border-color: var(--primary); color: var(--text-primary); }
.quick-action-icon {
    width: 44px; height: 44px; border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; color: #fff;
}
.quick-action-btn span { font-size: 12px; font-weight: 600; }

/* ===== Tables ===== */
.table { width: 100%; border-collapse: collapse; }
.table thead th {
    padding: 12px 16px;
    font-size: 11px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.5px;
    color: var(--text-muted);
    background: rgba(0,0,0,0.2);
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}
.table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-secondary);
}
.table tbody tr:hover { background: var(--bg-hover); }
.table tbody tr:last-child td { border-bottom: none; }

.text-center { text-align: center; }

/* ===== Badges ===== */
.badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px; font-weight: 600;
    color: #fff; white-space: nowrap;
}
.badge-sm { padding: 2px 8px; font-size: 10px; }
.badge-light { background: rgba(255,255,255,0.1); color: var(--text-secondary); }
.badge-primary { background: var(--primary); }
.badge-success { background: var(--success); }
.badge-warning { background: var(--warning); color: #000; }
.badge-danger { background: var(--danger); }
.badge-secondary { background: var(--text-muted); }

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 13px; font-weight: 600;
    cursor: pointer; transition: var(--transition);
    background: var(--bg-hover);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    white-space: nowrap;
}
.btn:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }

.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(59,130,246,0.3); color: #fff; }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; color: #fff; }

.btn-warning { background: var(--warning); color: #000; }
.btn-warning:hover { background: #d97706; }

.btn-danger { background: var(--danger); color: #fff; border: none; }
.btn-danger:hover { background: #dc2626; color: #fff; }

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

.btn-lg { padding: 12px 24px; font-size: 14px; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-xs { padding: 4px 8px; font-size: 11px; }

.action-buttons { display: flex; gap: 4px; }

/* ===== Forms ===== */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 12px; font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,130,246,0.15); }
.form-control::placeholder { color: var(--text-muted); }

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }

.filter-form .filter-row { display: flex; gap: 12px; align-items: flex-end; }
.filter-form .filter-row .form-group { margin-bottom: 0; flex: 1; }

/* ===== Toggle Switch ===== */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px; height: 24px;
    cursor: pointer;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--text-muted);
    border-radius: 24px;
    transition: var(--transition);
}
.toggle-slider::before {
    content: '';
    position: absolute; left: 2px; bottom: 2px;
    width: 20px; height: 20px;
    background: #fff;
    border-radius: 50%;
    transition: var(--transition);
}
.toggle-switch input:checked + .toggle-slider { background: var(--primary); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ===== Checkbox & Radio ===== */
.checkbox-group { display: flex; flex-wrap: wrap; gap: 8px; }
.checkbox-label, .radio-label {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer; transition: var(--transition);
    font-size: 13px;
}
.checkbox-label:hover, .radio-label:hover { border-color: var(--primary); background: var(--bg-hover); }
.checkbox-label input:checked + span, .radio-label input:checked + span { color: var(--primary-light); }

.radio-group { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-label span { display: flex; align-items: center; gap: 6px; }

/* ===== Alerts ===== */
.alert {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 13px;
    border: 1px solid transparent;
}
.alert-success { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.2); color: var(--success); }
.alert-error { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.2); color: var(--danger); }
.alert-info { background: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.2); color: var(--primary-light); }

/* ===== Page Header ===== */
.page-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 20px; gap: 12px; flex-wrap: wrap;
}
.page-header h2 { font-size: 20px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.page-header-left, .page-header-right { display: flex; align-items: center; gap: 10px; }

/* ===== Groups Grid ===== */
.groups-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }

.group-card { position: relative; overflow: hidden; }
.group-card-color { height: 4px; }
.group-card-body { padding: 16px 20px; }
.group-card-body h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.group-description { font-size: 12px; color: var(--text-muted); margin-bottom: 10px; }
.group-meta { font-size: 12px; color: var(--text-secondary); }
.group-meta i { margin-right: 4px; }
.group-card-actions { padding: 12px 20px; border-top: 1px solid var(--border-color); display: flex; gap: 6px; }

/* ===== Provider Card ===== */
.providers-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: 16px; }
.provider-default { border-color: rgba(59,130,246,0.3); }
.provider-info { display: flex; flex-direction: column; gap: 8px; font-size: 12px; color: var(--text-secondary); }
.provider-info i { width: 20px; color: var(--text-muted); }
.provider-balance { margin-top: 16px; }
.balance-result { font-size: 18px; color: var(--success); display: flex; align-items: center; gap: 8px; }

/* ===== SMS Compose ===== */
.sms-compose-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.sms-counter {
    margin-top: 8px; padding: 8px 12px;
    background: rgba(59,130,246,0.08);
    border-radius: var(--radius-sm);
    font-size: 12px; color: var(--text-secondary);
}
.recipient-section { margin-top: 12px; }

/* ===== Info Grid ===== */
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; font-size: 13px; }
.info-grid div { padding: 8px 0; }

/* ===== Phone number ===== */
.phone-number { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 13px; }

/* ===== Login Page ===== */
.login-page {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    position: relative; overflow: hidden;
}

.login-wrapper { position: relative; z-index: 2; width: 100%; max-width: 440px; padding: 20px; }

.login-bg-shapes { position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 1; overflow: hidden; pointer-events: none; }
.shape {
    position: absolute; border-radius: 50%;
    opacity: 0.1; animation: float 20s infinite ease-in-out;
}
.shape-1 {
    width: 600px; height: 600px;
    background: var(--primary);
    top: -200px; right: -200px;
    animation-delay: 0s;
}
.shape-2 {
    width: 400px; height: 400px;
    background: var(--purple);
    bottom: -100px; left: -100px;
    animation-delay: -7s;
}
.shape-3 {
    width: 300px; height: 300px;
    background: var(--success);
    top: 50%; left: 50%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.login-card {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.3);
}

.login-header { text-align: center; margin-bottom: 32px; }
.login-logo {
    width: 72px; height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 20px; margin: 0 auto 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 32px; color: #fff;
    box-shadow: 0 8px 24px rgba(59,130,246,0.3);
}
.login-header h1 { font-size: 24px; font-weight: 800; margin-bottom: 4px; }
.login-header p { font-size: 13px; color: var(--text-muted); }

.login-footer { text-align: center; margin-top: 24px; font-size: 12px; color: var(--text-muted); }

/* ===== Pagination ===== */
nav[aria-label] { display: flex; justify-content: center; padding: 8px 0; }
nav[aria-label] .relative { display: flex; gap: 4px; }
nav[aria-label] a, nav[aria-label] span {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
}
nav[aria-label] span[aria-current] {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

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

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.active { transform: translateX(0); }
    .sidebar-overlay.active { display: block; }
    .main-content { margin-left: 0; }
    .topbar-toggle { display: block; }
    .d-none-mobile { display: none; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }
    .filter-form .filter-row { flex-wrap: wrap; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .providers-grid { grid-template-columns: 1fr; }
    .groups-grid { grid-template-columns: 1fr; }
}