/* Phumulani Housing Management System - Premium CSS Upgrade */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Brand Colors */
    --primary-color: #0f766e; /* Teal-700 */
    --primary-light: #14b8a6; /* Teal-500 */
    --primary-dark: #115e59; /* Teal-800 */
    
    --secondary-color: #1e293b; /* Slate-800 */
    --secondary-light: #334155; /* Slate-700 */
    
    /* Semantic Colors */
    --success-color: #10b981; /* Emerald-500 */
    --success-light: #d1fae5; /* Emerald-100 */
    --success-dark: #047857; /* Emerald-700 */
    
    --danger-color: #ef4444; /* Red-500 */
    --danger-light: #fee2e2; /* Red-100 */
    --danger-dark: #b91c1c; /* Red-700 */
    
    --warning-color: #f59e0b; /* Amber-500 */
    --warning-light: #fef3c7; /* Amber-100 */
    --warning-dark: #b45309; /* Amber-700 */
    
    --info-color: #3b82f6; /* Blue-500 */
    --info-light: #dbeafe; /* Blue-100 */
    --info-dark: #1d4ed8; /* Blue-700 */
    
    /* Neutral Colors */
    --bg-color: #f8fafc; /* Slate-50 */
    --surface-color: #ffffff;
    --text-main: #0f172a; /* Slate-900 */
    --text-muted: #64748b; /* Slate-500 */
    --border-color: #e2e8f0; /* Slate-200 */
    
    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --header-height: 64px;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 80px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden; /* prevent horizontal scroll from sidebar */
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

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

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

/* ========== Header & Navbar ========== */
.navbar {
    background: var(--surface-color);
    height: var(--header-height);
    border-bottom: 1px solid var(--border-color);
    padding: 0 1.5rem;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1030;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
}

.navbar-brand {
    color: var(--primary-color) !important;
    font-weight: 700;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: calc(var(--sidebar-width) - 1.5rem);
    text-decoration: none;
}

.navbar-logo {
    height: 46px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.navbar-brand-text .brand-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.2;
}

.navbar-brand-text .brand-tagline {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.2;
}

/* Company info strip in navbar */
.company-info-strip {
    font-size: 0.72rem;
    color: var(--text-muted);
    border-left: 1px solid var(--border-color);
    padding-left: 1rem;
}

.company-info-item { white-space: nowrap; }
.company-info-item i { color: var(--primary-color); }

/* Sidebar company block */
.sidebar-company-block {
    text-align: center;
    padding: 1.25rem 1rem 1rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, #f0fdfa, #e6fffa);
}

.sidebar-logo {
    height: 64px;
    width: auto;
    object-fit: contain;
    margin-bottom: 0.5rem;
}

.sidebar-company-name {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.sidebar-company-tagline {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 0.2rem;
}

.navbar-brand i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-color) !important;
    background-color: var(--bg-color);
}

.clock-display {
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--text-muted);
    background: var(--bg-color);
    padding: 0.375rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
}

/* ========== Sidebar ========== */
.sidebar {
    background: var(--surface-color);
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    position: fixed;
    top: var(--header-height);
    left: 0;
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    z-index: 1020;
    transition: transform var(--transition-normal);
}

.sidebar-menu {
    list-style: none;
    padding: 1rem 0;
    margin: 0;
}

.sidebar-section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
    padding: 1rem 1.5rem 0.5rem;
}

.sidebar-menu li {
    padding: 0.125rem 0.75rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--secondary-light);
    padding: 0.625rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.sidebar-menu a i {
    font-size: 1.1rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.sidebar-menu a:hover {
    background-color: var(--bg-color);
    color: var(--primary-color);
}

.sidebar-menu a:hover i {
    color: var(--primary-color);
}

.sidebar-menu a.active {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(15, 118, 110, 0.2);
}

.sidebar-menu a.active i {
    color: white;
}

/* ========== Main Layout ========== */
.main-wrapper {
    display: block;  /* block avoids flex bleeding; sidebar is fixed-positioned */
    min-height: 100vh;
    position: relative;
}

.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    padding: 2rem;
    width: calc(100% - var(--sidebar-width));
    min-height: calc(100vh - var(--header-height));
    transition: margin-left var(--transition-normal), width var(--transition-normal);
    position: relative;   /* establishes stacking context above sidebar */
    z-index: 1;           /* content sits above sidebar background */
    box-sizing: border-box;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
}

/* ========== Cards ========== */
.dashboard-card {
    background: var(--surface-color);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    height: 100%;
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

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

/* Stat Cards */
.card-stat {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.stat-info {
    flex: 1;
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.025em;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
}

.stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 0.75rem;
    font-size: 1.5rem;
}

/* Icon Variations */
.icon-primary { background: #ccfbf1; color: var(--primary-color); }
.icon-success { background: var(--success-light); color: var(--success-color); }
.icon-warning { background: var(--warning-light); color: var(--warning-color); }
.icon-danger { background: var(--danger-light); color: var(--danger-color); }
.icon-info { background: var(--info-light); color: var(--info-color); }

/* ========== Tables ========== */
.table-responsive {
    background: var(--surface-color);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

table.dataTable {
    border-collapse: collapse !important;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
}

table.dataTable thead th, 
.table thead th {
    background-color: var(--bg-color);
    color: var(--secondary-light);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.table tbody td {
    padding: 1rem 1.5rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 0.875rem;
}

.table tbody tr:hover {
    background-color: var(--bg-color);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* DataTables customization */
.dataTables_wrapper .dataTables_filter input {
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.375rem 0.75rem;
    margin-left: 0.5rem;
}

.dataTables_wrapper .dataTables_filter input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.2);
}

.dataTables_wrapper .dataTables_length select {
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.375rem 2rem 0.375rem 0.75rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    padding: 0.375rem 0.75rem;
    margin: 0 0.25rem;
    border-radius: 0.375rem;
    border: 1px solid var(--border-color);
    background: white;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--primary-color);
    color: white !important;
    border-color: var(--primary-color);
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover:not(.current) {
    background: var(--bg-color);
    color: var(--text-main) !important;
    border-color: var(--border-color);
}

/* ========== Badges ========== */
.badge {
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 600;
    border-radius: 999px;
    letter-spacing: 0.025em;
}

.badge-success { background-color: var(--success-light); color: var(--success-dark); }
.badge-danger { background-color: var(--danger-light); color: var(--danger-dark); }
.badge-warning { background-color: var(--warning-light); color: var(--warning-dark); }
.badge-info { background-color: var(--info-light); color: var(--info-dark); }
.badge-primary { background-color: #ccfbf1; color: var(--primary-dark); }

/* ========== Buttons ========== */
.btn {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: 0 4px 6px -1px rgba(15, 118, 110, 0.3);
}

.btn-secondary {
    background-color: white;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    background-color: var(--bg-color);
    color: var(--text-main);
}

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

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.btn-icon {
    padding: 0.375rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.375rem;
    transition: background-color var(--transition-fast);
}

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

/* ========== Forms ========== */
.form-label {
    font-weight: 500;
    color: var(--secondary-light);
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.5rem 0.75rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    color: var(--text-main);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.2);
    outline: none;
}

/* ========== Alerts & Toasts ========== */
.alert {
    border: none;
    border-radius: 0.5rem;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success { background-color: var(--success-light); color: var(--success-dark); border-left: 4px solid var(--success-color); }
.alert-danger { background-color: var(--danger-light); color: var(--danger-dark); border-left: 4px solid var(--danger-color); }
.alert-warning { background-color: var(--warning-light); color: var(--warning-dark); border-left: 4px solid var(--warning-color); }
.alert-info { background-color: var(--info-light); color: var(--info-dark); border-left: 4px solid var(--info-color); }

/* ========== Login Page Split Layout ========== */
.login-split {
    display: flex;
    min-height: 100vh;
    background: var(--bg-color);
}

.login-brand {
    flex: 1;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 3rem;
    text-align: center;
}

.login-brand i {
    font-size: 6rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.login-brand h1 {
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.login-brand p {
    font-size: 1.1rem;
    opacity: 0.8;
    max-width: 400px;
}

.login-form-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
}

.login-card {
    background: white;
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

/* Password Toggle */
.password-toggle-wrapper {
    position: relative;
}

.password-toggle-wrapper input {
    padding-right: 2.5rem;
}

.password-toggle-btn {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
}

/* ========== Responsive ========== */
@media (max-width: 992px) {
    .login-split {
        flex-direction: column;
    }
    .login-brand {
        padding: 3rem 1.5rem;
        flex: none;
    }
}

.main-footer {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    transition: margin-left var(--transition-normal), width var(--transition-normal);
    position: relative;
    z-index: 1;  /* sits above sidebar background, below navbar */
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: 1025; /* above content, below navbar */
    }
    
    .sidebar.show {
        transform: translateX(0);
        box-shadow: 4px 0 20px rgba(0,0,0,0.18);
    }

    /* Overlay when sidebar is open on mobile */
    .sidebar.show::after {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.35);
        z-index: -1;
    }
    
    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
        padding: 1rem;
    }
    
    .main-footer {
        margin-left: 0 !important;
        width: 100% !important;
    }
    
    .navbar-brand {
        width: auto;
    }

    .dashboard-card {
        padding: 1rem;
    }

    .page-title {
        font-size: 1.25rem;
    }

    /* Stack DataTables controls on mobile */
    .dataTables_wrapper .row {
        flex-direction: column;
        gap: 0.5rem;
    }
    .dataTables_wrapper .col-md-6 {
        text-align: left !important;
        width: 100%;
    }
    .dataTables_filter {
        margin-top: 0.5rem;
    }
    .dataTables_filter input {
        width: 100%;
        margin-left: 0 !important;
        margin-top: 0.25rem;
    }
}

/* ========== Print Utilities ========== */
@media print {
    .sidebar, .navbar, .btn:not(.print-visible),
    .dataTables_filter, .dataTables_length, .dataTables_paginate,
    .dataTables_info, .no-print, .alert { display: none !important; }

    /* Show print-only company header */
    .print-company-header { display: block !important; }

    .main-content {
        margin: 0 !important;
        padding: 0 !important;
        width: 100% !important;
    }

    .dashboard-card, .table-responsive {
        border: none !important;
        box-shadow: none !important;
    }

    .table th {
        background-color: #f1f5f9 !important;
        color: black !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    body { background-color: white; }

    @page { margin: 15mm; }
}

/* Print-only company header — hidden on screen, visible when printing */
.print-company-header {
    display: none;
    text-align: center;
    border-bottom: 2px solid #0f766e;
    padding-bottom: 10px;
    margin-bottom: 16px;
}
.print-company-header img { height: 60px; width: auto; margin-bottom: 6px; }
.print-company-header .pch-name { font-size: 16px; font-weight: 700; color: #0f4c40; }
.print-company-header .pch-address { font-size: 11px; color: #444; }
.print-company-header .pch-phones { font-size: 11px; color: #444; }