/* ==========================================
   MODERN DJANGO SOFTWARE - GLOBAL UI
   Responsive | Animated Cards | Clean Design
========================================== */

:root {
    --primary: #4f46e5;
    --primary-dark: #3730a3;
    --primary-light: #eef2ff;
    --secondary: #64748b;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #0284c7;

    --body-bg: #f5f7fb;
    --card-bg: #ffffff;
    --text-main: #172033;
    --text-muted: #64748b;
    --border-color: #e5eaf2;

    --radius: 16px;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-hover: 0 18px 38px rgba(79, 70, 229, 0.13);

    --transition: all 0.25s ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--body-bg);
    color: var(--text-main);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
}

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

a:hover {
    color: var(--primary-dark);
}

/* ==========================================
   PAGE LAYOUT
========================================== */

.container,
.container-fluid {
    width: 100%;
}

.page-content,
.main-content,
.content-wrapper {
    min-width: 0;
    animation: pageEnter 0.45s ease both;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}

.page-header h1,
.page-header h2,
.page-title {
    color: var(--text-main);
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 750;
    letter-spacing: -0.7px;
    margin: 0;
}

.page-subtitle {
    color: var(--text-muted);
    margin-top: 5px;
}

/* ==========================================
   ALL CARDS - HOVER ANIMATION
========================================== */

.card,
.stat-card,
.summary-card,
.dashboard-card,
.info-card,
.metric-card,
.panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition:
        transform 0.28s ease,
        box-shadow 0.28s ease,
        border-color 0.28s ease;
    min-width: 0;
}

/* Bootstrap cards and common software cards */
.card {
    overflow: hidden;
}

.card:hover,
.stat-card:hover,
.summary-card:hover,
.dashboard-card:hover,
.info-card:hover,
.metric-card:hover,
.panel:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(79, 70, 229, 0.25);
}

.card-header {
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    padding: 17px 20px;
    font-weight: 700;
}

.card-body {
    padding: 20px;
}

.card-footer {
    background: #fff;
    border-top: 1px solid var(--border-color);
    padding: 14px 20px;
}

/* Dashboard statistic cards */
.stat-card,
.summary-card,
.metric-card {
    position: relative;
    padding: 22px;
    overflow: hidden;
}

.stat-card::after,
.summary-card::after,
.metric-card::after {
    content: "";
    position: absolute;
    width: 100px;
    height: 100px;
    right: -35px;
    top: -35px;
    background: rgba(79, 70, 229, 0.055);
    border-radius: 50%;
    transition: transform 0.35s ease;
    pointer-events: none;
}

.stat-card:hover::after,
.summary-card:hover::after,
.metric-card:hover::after {
    transform: scale(1.6);
}

.stat-card .stat-title,
.summary-card .stat-title,
.metric-card .stat-title {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
}

.stat-card .stat-value,
.summary-card .stat-value,
.metric-card .stat-value {
    color: var(--text-main);
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 800;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

.stat-icon,
.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 21px;
    margin-bottom: 14px;
    transition: var(--transition);
}

.card:hover .stat-icon,
.stat-card:hover .stat-icon,
.dashboard-card:hover .card-icon {
    transform: scale(1.08) rotate(-4deg);
}

/* ==========================================
   BUTTONS
========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 38px;
    padding: 9px 16px;
    border-radius: 10px;
    font-weight: 650;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        background-color 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0) scale(0.98);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 5px 12px rgba(79, 70, 229, 0.16);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
}

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

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

.btn-outline-primary {
    border-color: #c7d2fe;
    color: var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-dark);
}

.btn:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(79, 70, 229, 0.25);
    outline-offset: 2px;
}

/* ==========================================
   FORMS - INPUTS / SELECTS
========================================== */

.form-label,
label {
    color: #334155;
    font-weight: 650;
    margin-bottom: 6px;
}

.form-control,
.form-select,
input[type="text"],
input[type="number"],
input[type="email"],
input[type="date"],
input[type="password"],
input[type="search"],
input[type="tel"],
select,
textarea {
    width: 100%;
    max-width: 100%;
    min-height: 42px;
    padding: 10px 12px;
    border: 1px solid #dbe2ed;
    border-radius: 10px;
    background-color: #fff;
    color: var(--text-main);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

textarea {
    min-height: 100px;
    resize: vertical;
}

.form-control:focus,
.form-select:focus,
input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-text,
.text-muted,
.help-text {
    color: var(--text-muted) !important;
}

/* ==========================================
   TABLES - SALES / PURCHASE / PAYMENTS
========================================== */

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 12px;
}

.table {
    width: 100%;
    margin-bottom: 0;
    vertical-align: middle;
    border-color: var(--border-color);
}

.table thead th {
    background: #f8faff;
    color: #475569;
    font-size: 12px;
    font-weight: 750;
    text-transform: uppercase;
    letter-spacing: 0.45px;
    padding: 14px 15px;
    white-space: nowrap;
}

.table tbody td {
    padding: 13px 15px;
    color: #334155;
    border-color: #edf0f5;
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr:hover > * {
    background-color: #f8faff;
}

.table .btn {
    margin: 2px;
}

/* ==========================================
   STATUS BADGES
========================================== */

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 5px 10px;
    border-radius: 7px;
    font-size: 11px;
    font-weight: 750;
    letter-spacing: 0.2px;
}

.badge-success,
.bg-success-subtle {
    background: #dcfce7;
    color: #166534;
}

.badge-warning,
.bg-warning-subtle {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger,
.bg-danger-subtle {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info,
.bg-info-subtle {
    background: #e0f2fe;
    color: #075985;
}

/* ==========================================
   ALERTS / MESSAGES
========================================== */

.alert {
    border: 1px solid transparent;
    border-radius: 12px;
    padding: 13px 16px;
    animation: pageEnter 0.3s ease both;
}

.alert-success {
    background: #f0fdf4;
    border-color: #bbf7d0;
    color: #166534;
}

.alert-danger,
.alert-error {
    background: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

.alert-warning {
    background: #fffbeb;
    border-color: #fde68a;
    color: #92400e;
}

.alert-info {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: #1e40af;
}

/* ==========================================
   PAGINATION
========================================== */

.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.page-link {
    border-radius: 8px;
    color: var(--primary);
    border-color: var(--border-color);
}

.page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
}

/* ==========================================
   MODALS
========================================== */

.modal-content {
    border: 0;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(15, 23, 42, 0.2);
}

.modal-header,
.modal-footer {
    border-color: var(--border-color);
    padding: 16px 20px;
}

.modal-body {
    padding: 22px;
}

/* ==========================================
   LISTS / EMPTY STATES
========================================== */

.list-group-item {
    border-color: var(--border-color);
    padding: 13px 16px;
    transition: background-color 0.2s ease;
}

.list-group-item:hover {
    background: #f8faff;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state i,
.empty-state .icon {
    font-size: 40px;
    color: #94a3b8;
    margin-bottom: 12px;
}

/* ==========================================
   SCROLLBAR
========================================== */

* {
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 20px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ==========================================
   ANIMATIONS
========================================== */

@keyframes pageEnter {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==========================================
   RESPONSIVE DESIGN
========================================== */

@media (max-width: 991.98px) {
    .page-header {
        align-items: flex-start;
    }

    .card-body {
        padding: 16px;
    }

    .stat-card,
    .summary-card,
    .metric-card {
        padding: 18px;
    }
}

@media (max-width: 767.98px) {
    body {
        font-size: 13px;
    }

    .page-header {
        flex-direction: column;
        gap: 12px;
        margin-bottom: 18px;
    }

    .page-header .btn,
    .page-header .btn-group {
        max-width: 100%;
    }

    .card {
        border-radius: 13px;
    }

    .card-header {
        padding: 14px 16px;
    }

    .card-body {
        padding: 14px;
    }

    .table thead th,
    .table tbody td {
        padding: 11px 12px;
    }

    .btn {
        min-height: 38px;
    }
}

@media (max-width: 480px) {
    .stat-card,
    .summary-card,
    .metric-card {
        padding: 15px;
    }

    .stat-card .stat-value,
    .summary-card .stat-value,
    .metric-card .stat-value {
        font-size: 22px;
    }

    .page-title {
        font-size: 22px;
    }

    .modal-body {
        padding: 16px;
    }

    
}