/* system/assets/css/system.css - v2.0.0 MOBILE-FIRST */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700;800&display=swap');

/* ===================================================================
   CSS VARIABLES
   =================================================================== */
:root {
    --sidebar-width: 260px;
    --topbar-height: 60px;
    --sidebar-bg: #1e293b;
    --sidebar-text: #e2e8f0;
    --sidebar-hover: #334155;
    --sidebar-active-bg: #0f172a;
    --sidebar-active-text: #60a5fa;
    --primary: #1d4ed8;
    --primary-hover: #1e40af;
    --secondary: #475569;
    --danger: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
    --bg-main: #f8fafc;
    --white: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --table-hover: #f1f5f9;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.07);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --card-highlight: #fff8f8;
    --overdue-bg: #fff1f2;
    --info-panel-bg: #f1f5f9;
    --sub-active-bg: #d1fae5;
    --sub-active-color: #065f46;
    --sub-warning-bg: #fef3c7;
    --sub-warning-color: #92400e;
    --sub-danger-bg: #fee2e2;
    --sub-danger-color: #991b1b;
}

/* ── Dark Mode ── */
html[data-theme="dark"], [data-theme='dark'] {
    --sidebar-bg: #0f172a;
    --sidebar-text: #cbd5e1;
    --sidebar-hover: #1e293b;
    --sidebar-active-bg: #0b1121;
    --sidebar-active-text: #3b82f6;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --secondary: #94a3b8;
    --danger: #f87171;
    --success: #34d399;
    --warning: #fbbf24;
    --bg-main: #0f172a;
    --white: #1e293b;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --border: #334155;
    --table-hover: #1f2937;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
    --shadow-md: 0 6px 18px rgba(0,0,0,0.5);
    --card-highlight: #1c1520;
    --overdue-bg: #1c1520;
    --info-panel-bg: #1a1f2e;
    --sub-active-bg: rgba(16,185,129,0.15);
    --sub-active-color: #34d399;
    --sub-warning-bg: rgba(245,158,11,0.15);
    --sub-warning-color: #fbbf24;
    --sub-danger-bg: rgba(239,68,68,0.15);
    --sub-danger-color: #f87171;
}

/* ===================================================================
   RESET & BASE
   =================================================================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Cairo', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-main);
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

/* ===================================================================
   LAYOUT WRAPPER
   =================================================================== */
.wrapper { display: flex; width: 100%; min-height: 100vh; }

/* ===================================================================
   SIDEBAR (Desktop: fixed on the right, RTL)
   =================================================================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    height: 100vh;
    position: fixed;
    right: 0;
    top: 0;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 300;
    box-shadow: -2px 0 15px rgba(0,0,0,0.15);
    transition: transform 0.3s ease, background-color 0.3s;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: 0 15px;
    flex-shrink: 0;
}
.sidebar-header img { height: 35px; border-radius: 6px; }

.sidebar-menu { list-style: none; padding: 12px 0; flex: 1; }
.sidebar-menu li { margin-bottom: 2px; }
.sidebar-menu li a {
    display: flex;
    align-items: center;
    padding: 11px 20px;
    gap: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--sidebar-text);
    transition: all 0.2s;
    border-right: 3px solid transparent;
}
.sidebar-menu li a i { width: 20px; text-align: center; font-size: 1rem; }
.sidebar-menu li a:hover { background: var(--sidebar-hover); color: #fff; }
.sidebar-menu li.active a {
    background: var(--sidebar-active-bg);
    color: var(--sidebar-active-text);
    border-right-color: var(--primary);
}

/* ===================================================================
   MAIN CONTENT
   =================================================================== */
.main-content {
    margin-right: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    min-width: 0; /* Fixes table responsive overflow stretching container */
}

/* ===================================================================
   TOPBAR
   =================================================================== */
.topbar {
    height: var(--topbar-height);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 200;
    transition: background-color 0.3s;
    flex-shrink: 0;
}
.topbar-right, .topbar-left { display: flex; align-items: center; gap: 15px; }
.sub-status { padding: 3px 10px; border-radius: 20px; font-size: 0.8rem; font-weight: 700; white-space: nowrap; }
.sub-active  { background: var(--sub-active-bg);  color: var(--sub-active-color); }
.sub-warning { background: var(--sub-warning-bg); color: var(--sub-warning-color); }
.sub-danger  { background: var(--sub-danger-bg);  color: var(--sub-danger-color); }

/* Sidebar toggle - HIDDEN on desktop */
.sidebar-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 1.4rem;
    color: var(--text-main);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: background 0.2s;
}
.sidebar-toggle:hover { background: var(--bg-main); }

/* Mobile overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 250;
    backdrop-filter: blur(2px);
}
.sidebar-overlay.active { display: block; }

/* ===================================================================
   PAGE CONTENT
   =================================================================== */
.page-content { padding: 25px; flex: 1; }
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 10px;
}
.page-title { font-size: 1.6rem; font-weight: 800; color: var(--text-main); }

/* ===================================================================
   CARDS
   =================================================================== */
.card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    border: 1px solid var(--border);
    transition: background-color 0.3s, border-color 0.3s;
}
.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    font-weight: 700;
    font-size: 1.05rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    color: var(--text-main);
}
.card-body { padding: 20px; }
.card-body.p-0 { padding: 0; }

/* ===================================================================
   BUTTONS
   =================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: 7px;
    border: none;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.2s;
    font-family: inherit;
    white-space: nowrap;
}
.btn-primary { background: var(--primary) !important; color: #fff !important; }
.btn-primary:hover { background: var(--primary-hover) !important; transform: translateY(-1px); box-shadow: 0 3px 8px rgba(29,78,216,0.3); }
.btn-danger  { background: var(--danger) !important; color: #fff !important; }
.btn-danger:hover  { background: #dc2626 !important; }
.btn-success { background: var(--success) !important; color: #fff !important; }
.btn-success:hover { background: #059669 !important; }
.btn-warning { background: var(--warning) !important; color: #fff !important; }
.btn-warning:hover { background: #d97706 !important; }
.btn-outline { background: transparent; border: 1.5px solid var(--border); color: var(--text-main) !important; }
.btn-outline:hover { background: var(--sidebar-hover) !important; color: #fff !important; border-color: var(--sidebar-hover); }
.btn-sm  { padding: 5px 10px; font-size: 0.8rem; }
.btn-lg  { padding: 12px 24px; font-size: 1rem; }
.btn-info { background: #0ea5e9 !important; color: #fff !important; }

/* ===================================================================
   FORMS
   =================================================================== */
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    margin-bottom: 7px;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.9rem;
}
input.form-control,
select.form-control,
textarea.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    background: var(--bg-main);
    color: var(--text-main);
    transition: border-color 0.2s, box-shadow 0.2s;
}
input.form-control:focus,
select.form-control:focus,
textarea.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(29,78,216,0.12);
}
input.form-control[readonly] { opacity: 0.65; cursor: default; }

/* ===================================================================
   TABLES
   =================================================================== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 8px;
}
.table { width: 100%; border-collapse: collapse; min-width: 500px; }
.table th, .table td {
    padding: 12px 14px;
    text-align: right;
    border-bottom: 1px solid var(--border);
    color: var(--text-main);
    font-size: 0.9rem;
}
.table th {
    background: var(--bg-main);
    color: var(--text-muted);
    font-weight: 800;
    font-size: 0.85rem;
    white-space: nowrap;
}
.table tbody tr { transition: background-color 0.15s; }
.table tbody tr:hover { background: var(--table-hover); }
.table a:not(.btn) { color: var(--primary); }
.table a:not(.btn):hover { text-decoration: underline; }

/* ===================================================================
   BADGES
   =================================================================== */
.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
    display: inline-block;
}
.badge-success   { background: rgba(16,185,129,0.15);  color: var(--success); }
.badge-danger    { background: rgba(239,68,68,0.15);   color: var(--danger); }
.badge-warning   { background: rgba(245,158,11,0.15);  color: var(--warning); }
.badge-info,
.badge-primary   { background: rgba(59,130,246,0.15);  color: var(--primary); }
.badge-secondary { background: rgba(71,85,105,0.15);   color: var(--secondary); }

/* ===================================================================
   STAT CARDS (DASHBOARD)
   =================================================================== */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    margin-bottom: 25px;
}
.stat-card {
    background: var(--white);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s, background-color 0.3s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-info h4 { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 6px; font-weight: 600; }
.stat-info .stat-value { font-size: 1.8rem; font-weight: 800; color: var(--text-main); line-height: 1; }
.stat-icon {
    font-size: 1.8rem;
    background: var(--bg-main);
    padding: 14px;
    border-radius: 10px;
    color: var(--primary);
}

/* ===================================================================
   UTILITIES
   =================================================================== */
.text-primary   { color: var(--primary) !important; }
.text-success   { color: var(--success) !important; }
.text-danger    { color: var(--danger)  !important; }
.text-warning   { color: var(--warning) !important; }
.text-muted     { color: var(--text-muted) !important; }
.text-center    { text-align: center !important; }
.text-sm        { font-size: 0.85rem !important; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.m-0  { margin: 0 !important; }

/* ===================================================================
   FLASH MESSAGES
   =================================================================== */
.flash-success {
    background: var(--sub-active-bg);
    color: var(--sub-active-color);
    padding: 12px 18px;
    border-radius: 8px;
    border: 1px solid rgba(16,185,129,0.3);
    margin-bottom: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}
.flash-error {
    background: var(--sub-danger-bg);
    color: var(--sub-danger-color);
    padding: 12px 18px;
    border-radius: 8px;
    border: 1px solid rgba(239,68,68,0.3);
    margin-bottom: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}
.flash-warning {
    background: var(--sub-warning-bg);
    color: var(--sub-warning-color);
    padding: 12px 18px;
    border-radius: 8px;
    border: 1px solid rgba(245,158,11,0.3);
    margin-bottom: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ===================================================================
   DARK MODE FIXES (inline-style overrides)
   =================================================================== */
[data-theme='dark'] .card,
[data-theme='dark'] .topbar,
[data-theme='dark'] .stat-card,
[data-theme='dark'] .modal-content {
    background-color: var(--white);
    border-color: var(--border);
}
[data-theme='dark'] input.form-control,
[data-theme='dark'] select.form-control,
[data-theme='dark'] textarea.form-control {
    background-color: var(--bg-main);
    border-color: var(--border);
    color: var(--text-main);
}
[data-theme='dark'] .table th { background: rgba(255,255,255,0.03); }
[data-theme='dark'] strong,
[data-theme='dark'] h1,[data-theme='dark'] h2,[data-theme='dark'] h3,
[data-theme='dark'] h4,[data-theme='dark'] h5,[data-theme='dark'] h6 { color: var(--text-main); }
[data-theme='dark'] label { color: var(--text-main); }
[data-theme='dark'] .btn-outline { color: var(--text-main); border-color: var(--border); }
[data-theme='dark'] .btn-outline:hover { background: var(--border); }
[data-theme='dark'] hr { border-color: var(--border); }
[data-theme='dark'] select option { background: var(--white); color: var(--text-main); }
[data-theme='dark'] div[style*="background:#fee2e2"] { background: var(--sub-danger-bg) !important; }
[data-theme='dark'] div[style*="background:#fef3c7"],
[data-theme='dark'] div[style*="background:#fffbeb"] { background: var(--sub-warning-bg) !important; }
[data-theme='dark'] div[style*="background:#f8fafc"],
[data-theme='dark'] div[style*="background: #f8fafc"] { background: var(--info-panel-bg) !important; }
[data-theme='dark'] div[style*="background:#fff8f8"] { background: var(--card-highlight) !important; }
[data-theme='dark'] canvas { filter: brightness(0.9); }

/* Dark mode toggle */
.dark-toggle {
    background: transparent;
    border: 1.5px solid var(--border);
    padding: 7px 11px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-muted);
    transition: 0.2s;
    display: inline-flex;
    align-items: center;
}
.dark-toggle:hover { background: var(--table-hover); color: var(--text-main); }

/* ===================================================================
   MODAL
   =================================================================== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 15px;
}
.modal-content {
    background: var(--white);
    border-radius: 14px;
    padding: 24px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

/* ===================================================================
   ░░░ RESPONSIVE — TABLET (max 1024px) ░░░
   =================================================================== */
@media (max-width: 1024px) {
    :root { --sidebar-width: 230px; }
    .page-content { padding: 20px; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}

/* ===================================================================
   ░░░ RESPONSIVE — MOBILE (max 768px) ░░░
   =================================================================== */
@media (max-width: 768px) {

    /* ── Sidebar becomes a DRAWER ── */
    .sidebar {
        transform: translateX(110%); /* off-screen to the right */
        width: 270px;
        z-index: 400;
    }
    .sidebar.sidebar-open {
        transform: translateX(0);
    }

    /* ── Show hamburger ── */
    .sidebar-toggle { display: inline-flex !important; }

    /* ── Main content takes full width ── */
    .main-content {
        margin-right: 0 !important;
        width: 100% !important;
    }

    /* ── Topbar ── */
    .topbar { padding: 0 12px; }
    .topbar-left { gap: 8px; }
    .topbar-right { gap: 8px; }

    /* Hide verbose elements to save space */
    #system-clock { display: none !important; }
    .topbar .sub-status { display: none; /* shown in sidebar instead */ }

    /* Company name on topbar — shorter */
    .topbar-right .company-name { font-size: 0.95rem; }
    .topbar-right .company-name small { display: none; }

    /* ── Page Content ── */
    .page-content { padding: 12px; }
    .page-title { font-size: 1.15rem; }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        margin-bottom: 15px;
    }
    .page-header > div {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }
    .page-header .btn {
        flex: 1;
        min-width: 110px;
        justify-content: center;
    }

    /* ── Stat Grid → 2 columns ── */
    .stat-grid { grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 15px; }
    .stat-card { padding: 14px 12px; }
    .stat-info h4 { font-size: 0.78rem; }
    .stat-info .stat-value { font-size: 1.4rem; }
    .stat-icon { display: none; }

    /* ── Cards ── */
    .card-header { font-size: 0.92rem; padding: 13px 14px; }
    .card-body { padding: 12px; }

    /* ── Tables ── */
    .table th, .table td { padding: 9px 7px; font-size: 0.78rem; }

    /* ── Buttons ── */
    .btn { padding: 8px 12px; font-size: 0.82rem; gap: 5px; }
    .btn-sm { padding: 5px 8px; font-size: 0.75rem; }
    .btn-lg { padding: 10px 18px; font-size: 0.9rem; }

    /* ── Forms ── */
    input.form-control,
    select.form-control,
    textarea.form-control { padding: 9px 12px; font-size: 16px; /* 16px prevents iOS zoom */ }

    /* ── Grid layouts inside cards ── */
    div[style*="grid-template-columns:1fr 1fr"],
    div[style*="grid-template-columns: 1fr 1fr"],
    div[style*="grid-template-columns:1.5fr 1fr"],
    div[style*="grid-template-columns: 1.5fr 1fr"],
    div[style*="grid-template-columns:2fr 1fr"],
    div[style*="grid-template-columns: 2fr 1fr"] {
        grid-template-columns: 1fr !important;
    }

    /* ── Modals ── */
    .modal-content {
        max-width: 100% !important;
        padding: 18px !important;
        border-radius: 10px;
    }

    /* ── Flash messages ── */
    .flash-success, .flash-error, .flash-warning { font-size: 0.85rem; padding: 10px 14px; }

    /* ── Profile dropdown ── */
    #profileDropdown {
        left: 0 !important;
        right: auto !important;
        width: 240px !important;
    }
}

/* ===================================================================
   ░░░ RESPONSIVE — SMALL MOBILE (max 480px) ░░░
   =================================================================== */
@media (max-width: 480px) {
    .stat-grid { grid-template-columns: 1fr; gap: 8px; }
    .stat-card { padding: 12px; }
    .stat-info .stat-value { font-size: 1.6rem; }
    .stat-icon { display: flex; } /* show icon again when single column */

    .page-title { font-size: 1rem; }
    .card-header { font-size: 0.88rem; flex-wrap: wrap; gap: 6px; }
    .card-header .btn { width: 100%; justify-content: center; }

    /* Topbar: hide username text to save space */
    .topbar .dropdown > div > span:not([class*="fa"]) { max-width: 70px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

    /* Notification bell margin */
    a[href*="notifications"] { margin-inline-start: 0 !important; }

    /* Wider table rows for readability */
    .table { min-width: 400px; }
}

/* ===================================================================
   PRINT
   =================================================================== */
@media print {
    .sidebar, .topbar, .sidebar-toggle, .sidebar-overlay,
    .btn, .page-header .btn, .no-print { display: none !important; }
    .main-content { margin-right: 0 !important; width: 100% !important; }
    .page-content { padding: 0 !important; }
    .card { box-shadow: none; border: 1px solid #ddd; }
}