/* ===================================================================
   MALSAT TECH — Premium UI Theme
   Modern gradient design system built on Bootstrap 5
   =================================================================== */

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

:root {
    /* Brand gradient palette */
    --primary-color: #6366f1;
    --primary-dark: #4338ca;
    --secondary-color: #06b6d4;
    --accent-color: #ec4899;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;

    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-info: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    --gradient-dark: linear-gradient(135deg, #1e1b4b 0%, #0f172a 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);

    --bg-color: #f4f5fb;
    --surface-color: #ffffff;
    --text-color: #1e1b2e;
    --text-muted: #6b7280;
    --border-color: rgba(99, 102, 241, 0.12);

    --shadow-sm: 0 2px 8px rgba(30, 27, 75, 0.06);
    --shadow-md: 0 8px 24px rgba(30, 27, 75, 0.10);
    --shadow-lg: 0 16px 40px rgba(30, 27, 75, 0.16);
    --shadow-glow: 0 0 0 3px rgba(99, 102, 241, 0.15);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
}

[data-theme="dark"] {
    --bg-color: #0f0e1a;
    --surface-color: #1a1830;
    --text-color: #f1f0fb;
    --text-muted: #9ca3af;
    --border-color: rgba(139, 92, 246, 0.18);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }

body {
    background: var(--bg-color) radial-gradient(circle at 10% 0%, rgba(99,102,241,0.08), transparent 40%),
                var(--bg-color) radial-gradient(circle at 90% 100%, rgba(6,182,212,0.08), transparent 40%);
    color: var(--text-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    letter-spacing: -0.01em;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-color);
}

/* ===================== SIDEBAR LAYOUT ===================== */
:root {
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 76px;
    --topbar-height: 64px;
}

body.has-sidebar {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: var(--gradient-dark);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    box-shadow: var(--shadow-lg);
    transition: width 0.25s ease, transform 0.25s ease;
    overflow-y: auto;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}

.sidebar-brand a {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: #fff;
    text-decoration: none;
}

.brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, #a5b4fc 0%, #67e8f9 100%);
    color: #1e1b4b;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
}

.brand-text {
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    white-space: nowrap;
    background: linear-gradient(135deg, #a5b4fc 0%, #67e8f9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
}

.sidebar-nav {
    padding: 0.9rem 0.75rem;
    flex: 1;
}

.nav-section-label {
    color: rgba(255,255,255,0.35);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    padding: 1rem 0.75rem 0.4rem;
    white-space: nowrap;
}

.nav-link-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,0.75);
    font-weight: 500;
    font-size: 0.92rem;
    margin-bottom: 0.2rem;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-link-item i {
    font-size: 1.15rem;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
}

.nav-link-item:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
    transform: translateX(2px);
}

.nav-link-item.active {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(99,102,241,0.4);
}

/* Collapsed (desktop icon-only) state */
body.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-width);
}
body.sidebar-collapsed .brand-text,
body.sidebar-collapsed .nav-link-item span,
body.sidebar-collapsed .nav-section-label {
    display: none;
}
body.sidebar-collapsed .main-wrapper {
    margin-left: var(--sidebar-collapsed-width);
}
body.sidebar-collapsed .nav-link-item {
    justify-content: center;
}

.main-wrapper {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-width: 0;
    transition: margin-left 0.25s ease;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: var(--topbar-height);
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 1020;
    box-shadow: var(--shadow-sm);
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--text-color);
    padding: 0.3rem 0.5rem;
    border-radius: var(--radius-sm);
}
.sidebar-toggle:hover { background: rgba(99,102,241,0.08); }

.topbar-spacer { flex: 1; }

.topbar-search {
    position: relative;
    align-items: center;
    gap: 0.6rem;
    background: var(--bg-color);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.9rem;
    width: 320px;
    max-width: 40vw;
}
.topbar-search i {
    color: var(--text-muted);
    font-size: 1rem;
}
.topbar-search input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.88rem;
    color: var(--text-color);
    width: 100%;
}
.topbar-search-results {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 320px;
    overflow-y: auto;
    z-index: 1050;
}
.topbar-search-results.show { display: block; }
.search-result-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.9rem;
    color: var(--text-color);
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border-color);
    text-decoration: none;
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: rgba(99,102,241,0.08); }
.search-result-item i { color: var(--primary-color); }
.search-result-label { flex: 1; }
.search-result-type {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    background: var(--bg-color);
    padding: 0.15rem 0.5rem;
    border-radius: 50px;
}
.search-empty {
    padding: 0.9rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.topbar-clock {
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--bg-color);
    padding: 0.4rem 0.85rem;
    border-radius: 50px;
}
.topbar-clock i { color: var(--primary-color); }

.topbar-quick-add {
    display: flex;
    align-items: center;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    box-shadow: 0 4px 14px rgba(99,102,241,0.3);
    transition: all 0.2s ease;
}
.topbar-quick-add:hover {
    box-shadow: 0 6px 18px rgba(99,102,241,0.45);
    transform: translateY(-1px);
}

.topbar-icon-link {
    font-size: 1.25rem;
    color: var(--text-color);
    position: relative;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.92rem;
}
.topbar-user i { font-size: 1.5rem; color: var(--primary-color); }

.content-area {
    padding: 1.5rem;
    flex: 1;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1030;
}
.sidebar-overlay.show { display: block; }

@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-wrapper {
        margin-left: 0 !important;
    }
}

/* ===================== CARDS ===================== */
.card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background: linear-gradient(135deg, rgba(99,102,241,0.06), rgba(6,182,212,0.06));
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-color);
    padding: 0.9rem 1.2rem;
}

/* Premium gradient stat cards (dashboard) */
.card.bg-primary,
.card.bg-success,
.card.bg-info,
.card.bg-warning {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card.bg-primary:hover,
.card.bg-success:hover,
.card.bg-info:hover,
.card.bg-warning:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card.bg-primary { background: var(--gradient-primary) !important; }
.card.bg-success { background: var(--gradient-success) !important; }
.card.bg-info    { background: var(--gradient-info) !important; }
.card.bg-warning { background: var(--gradient-warning) !important; }

.card.bg-primary::after,
.card.bg-success::after,
.card.bg-info::after,
.card.bg-warning::after {
    content: '';
    position: absolute;
    top: -50%; right: -30%;
    width: 140px; height: 140px;
    background: rgba(255,255,255,0.12);
    border-radius: 50%;
}

.card.bg-primary .card-title,
.card.bg-success .card-title,
.card.bg-info .card-title,
.card.bg-warning .card-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 0.9;
}

/* ===================== BUTTONS ===================== */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 600;
    letter-spacing: -0.01em;
    padding: 0.5rem 1.15rem;
    border: none;
    transition: all 0.25s ease;
}

.btn-primary {
    background: var(--gradient-primary);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
}

.btn-success {
    background: var(--gradient-success);
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}
.btn-success:hover {
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--gradient-danger);
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.35);
}
.btn-danger:hover {
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.5);
    transform: translateY(-2px);
}

.btn-warning {
    background: var(--gradient-warning);
    color: #fff;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}
.btn-warning:hover {
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
    transform: translateY(-2px);
    color: #fff;
}

.btn-info {
    background: var(--gradient-info);
    color: #fff;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}
.btn-info:hover { color: #fff; transform: translateY(-2px); }

.btn-outline-secondary {
    border: 1.5px solid var(--border-color);
    color: var(--text-color);
    background: var(--surface-color);
}
.btn-outline-secondary:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: #fff;
    transform: translateY(-2px);
}

/* ===================== TABLES ===================== */
.table {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.table thead.table-dark th,
.table > :not(caption) > * > th.table-dark,
thead.table-dark {
    background: var(--gradient-dark) !important;
    color: #fff;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    border: none;
}

.table-hover > tbody > tr:hover {
    background-color: rgba(99, 102, 241, 0.06);
}

.table td, .table th {
    vertical-align: middle;
    border-color: var(--border-color);
}

/* ===================== BADGES ===================== */
.badge {
    border-radius: 50px;
    font-weight: 600;
    padding: 0.4em 0.85em;
    letter-spacing: 0.02em;
}
.badge.bg-success { background: var(--gradient-success) !important; }
.badge.bg-danger  { background: var(--gradient-danger) !important; }
.badge.bg-primary { background: var(--gradient-primary) !important; }
.badge.bg-warning { background: var(--gradient-warning) !important; color: #fff; }

/* ===================== FORMS ===================== */
.form-control, .form-select {
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border-color);
    padding: 0.55rem 0.9rem;
    background: var(--surface-color);
    color: var(--text-color);
    transition: all 0.2s ease;
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

label {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

/* ===================== LOGIN CARD ===================== */
.login-page {
    background: var(--gradient-dark);
    min-height: 100vh;
}
.login-page .card {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
    background: rgba(255,255,255,0.97);
    border: none;
}
.login-page .btn-primary {
    padding: 0.65rem 1.15rem;
}

/* ===================== MISC ===================== */
.alert {
    border-radius: var(--radius-sm);
    border: none;
    font-weight: 500;
}
.alert-danger { background: rgba(239,68,68,0.12); color: #b91c1c; }
.alert-success { background: rgba(16,185,129,0.12); color: #047857; }

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

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 10px;
}

.dropdown-menu {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}