/* ============================================================
 *  ChequeFlex — حاسبة الشيكات الذكية
 *  style.css — Main Stylesheet & Design System
 * ============================================================
 *  © 2026 MSM-FINTECH. جميع الحقوق محفوظة.
 *  تطوير وبناء المبرمج: MOHAMED SAYED MUBARAK
 *  يُحظر نسخ هذا الكود أو إعادة توزيعه دون إذن كتابي مسبق.
 * ============================================================ */

/* ================================= */
/* 1. Design System & Theming        */
/* ================================= */
:root {
    /* Light Mode — ChequeFlex Palette */
    --bg-body: #EEF2F8;
    --bg-gradient: linear-gradient(135deg, #EEF2F8 0%, #D8E4F4 100%);
    --bg-card: rgba(255, 255, 255, 0.92);
    --text-main: #0B1D3A;
    --text-muted: #4A6080;
    --border-color: rgba(197, 210, 232, 0.9);
    --navy-blue: #0B1D3A;
    --royal-gold: #1D50D8;           /* Electric Blue */
    --royal-gold-hover: #1640B8;     /* Darker blue hover */
    --slate-gray: #7A90B0;
    --success: #0EA875;
    --danger: #EF4444;
    --danger-bg: #FEF2F2;
    --input-bg: #F0F4FB;
    --shadow-sm: 0 1px 3px rgba(13,37,80,0.08);
    --shadow-md: 0 4px 12px rgba(13,37,80,0.12);
    --border-radius: 16px;
    --focus-ring: 0 0 0 3px rgba(29, 80, 216, 0.25);
    --highlight-row: #EEF4FF;
    --chrome-silver: #C5D0E4;
    --electric-blue: #1D50D8;
    --deep-navy: #081628;
}

[data-theme="dark"] {
    /* Dark Mode — ChequeFlex Palette */
    --bg-body: #040D1A;
    --bg-gradient: linear-gradient(135deg, #040D1A 0%, #071628 100%);
    --bg-card: rgba(8, 22, 40, 0.85);
    --text-main: #E8EEF8;
    --text-muted: #7A9AC0;
    --border-color: rgba(17, 32, 64, 0.9);
    --navy-blue: #4A7FE8;
    --royal-gold: #2B62F0;           /* Vivid blue on dark */
    --royal-gold-hover: #1D50D8;
    --slate-gray: #5A7898;
    --success: #0EA875;
    --danger: #EF4444;
    --danger-bg: #1A0A0A;
    --input-bg: rgba(13, 31, 60, 0.8);
    --highlight-row: #0A1F40;
    --shadow-sm: 0 4px 10px rgba(0,0,0,0.4);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.55);
    --chrome-silver: #8AAAD4;
    --electric-blue: #2B62F0;
    --deep-navy: #040D1A;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Cairo', 'Inter', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background: var(--bg-gradient);
    background-color: var(--bg-body);
    background-attachment: fixed;
    color: var(--text-main);
    transition: background-color 0.3s, color 0.3s;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

[dir="ltr"] body {
    font-family: 'Inter', 'Cairo', sans-serif;
}

input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; }

/* Focus Accessibility */
*:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
    border-radius: 4px;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ================================= */
/* 2. Layout & App Bar               */
/* ================================= */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

.app-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background-color: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    overflow: hidden;       /* prevent content from escaping */
    gap: 8px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-main);
    letter-spacing: -0.5px;
    min-width: 0;           /* allow shrinking */
    flex-shrink: 1;
    white-space: nowrap;
    overflow: hidden;
}

.brand small {
    font-size: 0.6em;
    font-weight: 600;
    color: var(--text-muted);
    margin-right: 4px;
    white-space: nowrap;
}

.brand span {
    color: var(--royal-gold);
}

.actions-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;         /* never shrink the action buttons */
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    min-height: 44px; /* A11y Hit area */
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-icon {
    padding: 10px;
    border-radius: 50%;
    background: var(--input-bg);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    transition: background 0.2s;
    min-width: 44px; /* A11y Hit area */
    min-height: 44px;
    gap: 6px;
}

.btn-icon span {
    font-weight: 700;
    font-size: 0.85rem;
}

.btn-icon:hover { background: var(--border-color); }

.btn-primary {
    background-color: var(--royal-gold);
    color: #111;
}

.btn-primary:hover {
    background-color: var(--royal-gold-hover);
    transform: translateY(-2px);
}

.btn-success {
    background-color: var(--success);
    color: #fff;
}
.btn-success:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-main);
}
.btn-outline:hover { border-color: var(--text-muted); }

/* ================================= */
/* 3. Mobile Header Fix               */
/* ================================= */
@media (max-width: 600px) {
    .app-container { padding: 12px; }

    .app-bar { padding: 10px 12px; gap: 6px; }

    .brand {
        font-size: 1.1rem;
        gap: 8px;
    }

    .brand small { display: none; }     /* hide subtitle on mobile */

    .brand svg {
        width: 26px !important;
        height: 26px !important;
        flex-shrink: 0;
    }

    .actions-right { gap: 6px; }

    .btn-icon {
        min-width: 38px;
        min-height: 38px;
        padding: 8px;
    }
}

/* ================================= */
/* 3. Main Grid & Form Elements      */
/* ================================= */
.main-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 24px;
}

@media (max-width: 900px) {
    .main-grid { grid-template-columns: 1fr; }
}

.card {
    background-color: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    padding: 24px;
    height: fit-content;
}

.card-header {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.input-group {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
}

.grid-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.input-group label {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.tooltip-icon {
    color: var(--slate-gray);
    cursor: help;
    display: inline-flex;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-main);
    font-size: 1.05rem;
    font-weight: 600;
    transition: all 0.2s;
    min-height: 48px; /* A11y Hit area */
}

.form-control:focus {
    outline: none;
    border-color: var(--royal-gold);
    background-color: var(--bg-body);
}

.form-control.invalid {
    border-color: var(--danger);
    background-color: var(--danger-bg);
}

.error-msg {
    display: none;
    color: var(--danger);
    font-size: 0.8rem;
    font-weight: 700;
    margin-top: -4px;
}

.global-error {
    background-color: var(--danger-bg);
    color: var(--danger);
    padding: 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    border: 1px solid var(--danger);
    margin-bottom: 16px;
}

/* Toggle Components */
.toggle-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    background-color: var(--input-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
    cursor: pointer;
    min-height: 48px;
}

.toggle-row span {
    font-weight: 700;
    font-size: 1rem;
}

.ios-toggle {
    position: relative;
    width: 46px;
    height: 26px;
    background-color: var(--border-color);
    border-radius: 34px;
    transition: background-color 0.3s;
}

.ios-toggle.active { background-color: var(--success); }

.ios-toggle::after {
    content: '';
    position: absolute;
    top: 3px;
    width: 20px;
    height: 20px;
    background-color: white;
    border-radius: 50%;
    transition: transform 0.3s;
}

[dir="rtl"] .ios-toggle::after { right: 3px; }
[dir="ltr"] .ios-toggle::after { left: 3px; }

[dir="rtl"] .ios-toggle.active::after { transform: translateX(-20px); }
[dir="ltr"] .ios-toggle.active::after { transform: translateX(20px); }

/* ================================= */
/* 4. Results & Stat Cards           */
/* ================================= */
.results-wrapper {
    display: none; /* Controlled by JS */
}

.section-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 16px;
    margin-top: 10px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background-color: var(--bg-card);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 20px 24px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--electric-blue), var(--navy-blue));
}
[dir="rtl"] .stat-card::before { right: 0; }
[dir="ltr"] .stat-card::before { left: 0; }

.stat-card.gold::before { background: linear-gradient(180deg, #4A7FE8, var(--electric-blue)); }
.stat-card.emerald::before { background-color: var(--success); }

.stat-card h4 {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-card .value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 4px;
}

.stat-card .desc {
    font-size: 0.8rem;
    color: var(--slate-gray);
    font-weight: 600;
}

/* ================================= */
/* 5. Audit Table & Print            */
/* ================================= */
.table-container {
    padding: 0;
    overflow: hidden;
    display: none; /* Controlled by JS */
}

.table-header {
    padding: 16px 24px;
    font-weight: 800;
    background: var(--input-bg);
    border-bottom: 1px solid var(--border-color);
    font-size: 1.1rem;
}

.table-responsive {
    overflow-x: auto;
    overflow-y: auto;
    max-height: 500px; /* Scrollable body */
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: right;
    background-color: var(--bg-card);
}
[dir="ltr"] table { text-align: left; }

th, td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

th {
    background-color: var(--input-bg);
    color: var(--text-muted);
    font-weight: 700;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 10;
}

tbody tr { transition: background-color 0.2s; }
tbody tr:hover { background-color: var(--input-bg); }
tbody tr:last-child td { border-bottom: none; }

tr.current-month {
    background-color: var(--highlight-row);
}
tr.current-month:hover {
    background-color: var(--highlight-row);
    filter: brightness(0.95);
}

.print-only { display: none; }

@media print {
    body { background: white; color: black; }
    .no-print { display: none !important; }
    .print-only { display: block !important; }
    .app-container { padding: 0; max-width: 100%; }
    .main-grid { display: block; }
    .card { border: none; box-shadow: none; padding: 0; margin-bottom: 20px; }
    
    .print-header {
        display: flex;
        flex-direction: column;
        align-items: center;
        border-bottom: 3px solid #081628;
        padding-bottom: 20px;
        margin-bottom: 30px;
        text-align: center;
    }
    .print-logo { font-size: 2.5rem; font-weight: 900; color: #081628; }
    .print-logo span { color: #1D50D8; }
    
    .client-print-meta {
        width: 100%;
        display: flex;
        justify-content: space-between;
        margin-top: 20px;
        font-weight: bold;
        font-size: 1.1rem;
    }

    .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-card { border: 1px solid #ccc; break-inside: avoid; }
    .stat-card::before { display: none; }
    
    .table-container { display: block !important; border: none; }
    .table-responsive { max-height: none; overflow: visible; }
    table { break-inside: auto; border: 1px solid #000; }
    tr { break-inside: avoid; break-after: auto; }
    th { background-color: #f1f5f9 !important; color: #000 !important; -webkit-print-color-adjust: exact; border: 1px solid #000; position: static; }
    td { border: 1px solid #000; }
}

/* ================================= */
/* 6. Modal Styles                   */
/* ================================= */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 450px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
    transform: translateY(20px);
    transition: transform 0.3s;
}

.modal-backdrop.active .modal-card {
    transform: translateY(0);
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-main);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.cheques-list {
    display: flex;
    flex-direction: column;
}