/* ==========================================================
   CK JAIN AND COMPANY - CA CRM
   Premium Design System (Light + Dark Mode)
   ========================================================== */

:root {
    --brand-primary: #4f46e5;
    --brand-primary-dark: #4338ca;
    --brand-secondary: #06b6d4;
    --brand-success: #10b981;
    --brand-warning: #f59e0b;
    --brand-danger: #ef4444;
    --brand-info: #3b82f6;

    --bg-body: #f4f6fb;
    --bg-surface: #ffffff;
    --bg-surface-2: #f8f9fc;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --border-color: #e7e9f3;
    --text-primary: #1e2129;
    --text-secondary: #6b7280;
    --text-muted: #9aa0ac;
    --sidebar-bg: #14162a;
    --sidebar-bg-active: rgba(79, 70, 229, 0.18);
    --shadow-sm: 0 1px 3px rgba(20, 22, 42, 0.06);
    --shadow-md: 0 8px 24px rgba(20, 22, 42, 0.08);
    --shadow-lg: 0 16px 40px rgba(20, 22, 42, 0.12);
    --radius-md: 14px;
    --radius-lg: 20px;
    --topbar-h: 70px;
    --sidebar-w: 264px;
}

[data-theme="dark"] {
    --bg-body: #0f1120;
    --bg-surface: #171a2e;
    --bg-surface-2: #1d2136;
    --bg-glass: rgba(23, 26, 46, 0.7);
    --border-color: #2a2e47;
    --text-primary: #eef0fb;
    --text-secondary: #a3a8c2;
    --text-muted: #767c9c;
    --sidebar-bg: #0b0d1a;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

body {
    background: var(--bg-body);
    color: var(--text-primary);
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14.5px;
    transition: background .25s ease, color .25s ease;
}

a { text-decoration: none; }

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

.sidebar {
    width: var(--sidebar-w);
    background: var(--sidebar-bg);
    position: fixed;
    top: 0; bottom: 0; left: 0;
    z-index: 1030;
    display: flex;
    flex-direction: column;
    transition: transform .25s ease;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 22px 22px;
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.sidebar-brand .logo-badge {
    width: 40px; height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 700; font-size: 15px;
    flex-shrink: 0;
}
.sidebar-brand .brand-text { color: #fff; }
.sidebar-brand .brand-text .name { font-weight: 700; font-size: 14.5px; line-height: 1.2; }
.sidebar-brand .brand-text .sub { font-size: 11px; color: #8d92b8; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 14px 12px; }
.sidebar-nav::-webkit-scrollbar { width: 5px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 10px; }

.nav-section-label {
    color: #565b82; font-size: 10.5px; text-transform: uppercase;
    letter-spacing: .08em; font-weight: 700; padding: 14px 12px 6px;
}

.sidebar-link {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 14px; border-radius: 10px;
    color: #b7bade; font-size: 13.7px; font-weight: 500;
    margin-bottom: 2px; transition: all .15s ease;
}
.sidebar-link i { width: 18px; text-align: center; font-size: 15px; opacity: .85; }
.sidebar-link:hover { background: rgba(255,255,255,.06); color: #fff; }
.sidebar-link.active {
    background: var(--sidebar-bg-active);
    color: #fff;
    box-shadow: inset 3px 0 0 var(--brand-primary);
}
.sidebar-link .badge-mini {
    margin-left: auto; font-size: 10px; padding: 2px 7px;
}

.sidebar-footer { padding: 14px 18px; border-top: 1px solid rgba(255,255,255,.06); }

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

.topbar {
    height: var(--topbar-h);
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; gap: 16px;
    padding: 0 26px;
    position: sticky; top: 0; z-index: 1020;
}

.topbar .search-box {
    flex: 1; max-width: 420px;
    position: relative;
}
.topbar .search-box input {
    background: var(--bg-surface-2);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 9px 14px 9px 38px;
    font-size: 13.5px;
    width: 100%;
    color: var(--text-primary);
}
.topbar .search-box i { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--text-muted); }

.icon-btn {
    width: 40px; height: 40px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-surface-2); border: 1px solid var(--border-color);
    color: var(--text-secondary); position: relative; cursor: pointer;
    transition: all .15s ease;
}
.icon-btn:hover { background: var(--brand-primary); color: #fff; border-color: var(--brand-primary); }
.icon-btn .dot { position: absolute; top: 7px; right: 7px; width: 8px; height: 8px; border-radius: 50%; background: var(--brand-danger); border: 2px solid var(--bg-surface); }

.user-chip { display: flex; align-items: center; gap: 10px; padding: 6px 10px 6px 6px; border-radius: 12px; cursor: pointer; }
.user-chip:hover { background: var(--bg-surface-2); }
.avatar-circle {
    width: 36px; height: 36px; border-radius: 10px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 700; font-size: 13px;
}

.page-body { padding: 26px; flex: 1; }

/* ---------- Cards ---------- */
.card-surface {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px 22px;
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease;
    position: relative;
    overflow: hidden;
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.stat-card .stat-icon {
    width: 46px; height: 46px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 19px; margin-bottom: 14px;
}
.stat-card .stat-value { font-size: 25px; font-weight: 800; letter-spacing: -.02em; }
.stat-card .stat-label { font-size: 12.5px; color: var(--text-secondary); font-weight: 500; }
.stat-card .stat-trend { font-size: 11.5px; font-weight: 600; }

.bg-soft-primary { background: rgba(79,70,229,.12); color: var(--brand-primary); }
.bg-soft-success { background: rgba(16,185,129,.12); color: var(--brand-success); }
.bg-soft-warning { background: rgba(245,158,11,.12); color: var(--brand-warning); }
.bg-soft-danger  { background: rgba(239,68,68,.12); color: var(--brand-danger); }
.bg-soft-info    { background: rgba(59,130,246,.12); color: var(--brand-info); }
.bg-soft-secondary { background: rgba(107,114,128,.12); color: var(--text-secondary); }

.section-title { font-size: 16px; font-weight: 700; letter-spacing: -.01em; }
.section-sub { font-size: 12.5px; color: var(--text-secondary); }

/* ---------- Buttons ---------- */
.btn-brand {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
    color: #fff; border: none; border-radius: 10px;
    padding: 9px 18px; font-weight: 600; font-size: 13.5px;
    box-shadow: 0 4px 14px rgba(79,70,229,.28);
}
.btn-brand:hover { color: #fff; filter: brightness(1.06); }
.btn-outline-brand {
    border: 1px solid var(--brand-primary); color: var(--brand-primary);
    border-radius: 10px; font-weight: 600; font-size: 13.5px; background: transparent;
}
.btn-outline-brand:hover { background: var(--brand-primary); color: #fff; }

/* ---------- Tables ---------- */
.table-modern thead th {
    font-size: 11px; text-transform: uppercase; letter-spacing: .05em;
    color: var(--text-muted); font-weight: 700; border-bottom: 1px solid var(--border-color);
    background: var(--bg-surface-2);
}
.table-modern td, .table-modern th { padding: 13px 14px; vertical-align: middle; border-color: var(--border-color); }
.table-modern tbody tr:hover { background: var(--bg-surface-2); }

/* ---------- Forms ---------- */
.form-label { font-size: 12.5px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.form-control, .form-select {
    background: var(--bg-surface-2); border: 1px solid var(--border-color);
    color: var(--text-primary); border-radius: 10px; font-size: 13.5px; padding: 9px 12px;
}
.form-control:focus, .form-select:focus {
    background: var(--bg-surface); border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,.15); color: var(--text-primary);
}

/* ---------- Auth pages ---------- */
.auth-shell {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: radial-gradient(circle at 15% 15%, #4f46e5 0%, transparent 45%),
                radial-gradient(circle at 85% 85%, #06b6d4 0%, transparent 45%),
                #0b0d1a;
    padding: 20px;
}
.auth-card {
    width: 100%; max-width: 420px;
    background: rgba(23,26,46,.75);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 22px;
    padding: 40px 36px;
    box-shadow: 0 24px 60px rgba(0,0,0,.4);
    color: #eef0fb;
}
.auth-card .logo-badge {
    width: 54px; height: 54px; border-radius: 16px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 800; font-size: 19px; margin: 0 auto 18px;
}
.auth-card .form-control {
    background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); color: #fff;
}
.auth-card .form-control:focus { background: rgba(255,255,255,.1); }
.auth-card .form-label { color: #b7bade; }

/* ---------- Badges ---------- */
.badge-soft { font-weight: 600; font-size: 11px; padding: 5px 10px; border-radius: 8px; }

/* ---------- Tabs (client profile) ---------- */
.profile-tabs .nav-link {
    color: var(--text-secondary); font-weight: 600; font-size: 13px;
    border: none; border-bottom: 2px solid transparent; padding: 12px 16px; border-radius: 0;
}
.profile-tabs .nav-link.active { color: var(--brand-primary); border-bottom-color: var(--brand-primary); background: transparent; }

/* ---------- Misc ---------- */
.text-muted-soft { color: var(--text-muted); }
::placeholder { color: var(--text-muted) !important; }

@media (max-width: 991px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.show { transform: translateX(0); }
    .main-wrap { margin-left: 0; }
}