/* 
   PREMIUM SAAS THEME (2026 Style)
   Theme: Deep Indigo / Corporate Blue
   Font: Inter
*/

:root {
    /* Primary Color - Light Blue */
    --primary-50: #e7f1ff;
    --primary-100: #cfe2ff;
    --primary-200: #9ec5fe;
    --primary-300: #6ea8fe;
    --primary-400: #3d8bfd;
    --primary-500: #0d6efd;
    --primary-600: #007bff; /* Main Blue */
    /* Main Brand Color */
    --primary-700: #0069d9;
    --primary-800: #0056b3;
    --primary-900: #052c65;
    /* Sidebar BG */

    /* Neutrals / Slate */
    --slate-50: #f8fafc;
    /* Page BG */
    --slate-100: #f1f5f9;
    /* Table Header BG */
    --slate-200: #e2e8f0;
    /* Borders */
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    /* Icons */
    --slate-500: #64748b;
    /* Secondary Text */
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    /* Outcomes / Headings */
    --slate-900: #0f172a;
    /* Dark Text */

    /* Status Colors (Soft Pastel) */
    --success-bg: #dcfce7;
    --success-text: #166534;
    --warning-bg: #fef3c7;
    --warning-text: #92400e;
    --danger-bg: #fee2e2;
    --danger-text: #991b1b;
    --info-bg: #dbeafe;
    --info-text: #1e40af;

    /* Shadow & Radius */
    --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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-md: 0.5rem;
    /* 8px */
    --radius-lg: 0.75rem;
    /* 12px */
    --radius-xl: 1rem;
    /* 16px */

    --header-height: 70px;
    --sidebar-width: 260px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--slate-50);
    color: var(--slate-800);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

/* --- Layout Structure --- */
.app-wrapper {
    min-height: 100vh;
    width: 100%;
    position: relative;
    overflow-x: hidden;
    /* Prevent horizontal scroll */
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background-color: var(--primary-900);
    color: var(--slate-300);
    z-index: 50;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.5);
    z-index: 45;
    display: none;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
}

.sidebar-overlay.open {
    display: block;
    opacity: 1;
    pointer-events: auto;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--slate-400);
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
    cursor: pointer;
}

.nav-item:hover {
    color: white;
    background-color: rgba(255, 255, 255, 0.03);
}

.nav-item.active {
    color: white;
    background-color: rgba(13, 110, 253, 0.15); /* Blue-ish tint */
    border-left-color: var(--primary-500);
}

.nav-icon {
    width: 1.25rem;
    height: 1.25rem;
    margin-right: 0.75rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    /* Mobile default */
    height: var(--header-height);
    background-color: white;
    border-bottom: 1px solid var(--slate-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    z-index: 40;
    transition: left 0.3s ease;
}

/* Main Content */
.main-content {
    padding-top: calc(var(--header-height) + 1.5rem);
    padding-bottom: 2rem;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .navbar {
        left: var(--sidebar-width);
        /* Push navbar */
    }

    .main-content {
        margin-left: var(--sidebar-width);
        /* Push content */
        padding-left: 2rem;
        padding-right: 2rem;
    }

    .sidebar {
        transform: translateX(0) !important;
    }
}

/* Mobile: Sidebar hidden by default */
@media (max-width: 1023.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }
}

/* --- Components --- */

/* Cards */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--slate-200);
    padding: 1.5rem;
}

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

/* Grid System */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .lg\:grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {

    .grid-cols-2,
    .lg\:grid-cols-4 {
        grid-template-columns: 1fr;
    }
}

/* Flex Utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-end {
    justify-content: flex-end;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 0.75rem;
}

.gap-4 {
    gap: 1rem;
}

.gap-6 {
    gap: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s;
    border: 1px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-600);
    color: white;
    box-shadow: 0 1px 2px 0 rgba(0, 123, 255, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-700);
    box-shadow: 0 4px 6px -1px rgba(0, 123, 255, 0.2);
}

.btn-outline {
    background-color: white;
    border-color: var(--slate-200);
    color: var(--slate-700);
}

.btn-outline:hover {
    background-color: var(--slate-50);
    border-color: var(--slate-300);
}

.btn-danger {
    background-color: var(--danger-bg);
    color: var(--danger-text);
    border-color: #fecaca;
}

.btn-danger:hover {
    background-color: #fee2e2;
    border-color: #fca5a5;
}

/* Inputs */
.form-control {
    width: 100%;
    padding: 0.625rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--slate-200);
    font-size: 0.875rem;
    color: var(--slate-800);
    background-color: white;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.form-control:disabled {
    background-color: var(--slate-50);
    color: var(--slate-500);
    cursor: not-allowed;
}

/* Tables - Clean Style */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--slate-200);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.table th {
    background-color: var(--slate-50);
    color: var(--slate-500);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--slate-200);
}

.table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--slate-100);
    color: var(--slate-700);
    font-size: 0.875rem;
    vertical-align: middle;
}

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

.table tr:hover {
    background-color: var(--primary-50);
}

/* Animations & Form Transitions */
.animate-fade-in-down {
    animation: fadeInDown 0.3s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hidden {
    display: none !important;
}

/* Utility Text */
.text-xs {
    font-size: 0.75rem;
}

.text-sm {
    font-size: 0.875rem;
}

.text-lg {
    font-size: 1.125rem;
}

.text-xl {
    font-size: 1.25rem;
}

.text-2xl {
    font-size: 1.5rem;
}

.text-3xl {
    font-size: 1.875rem;
}

.font-bold {
    font-weight: 700;
}

.font-semibold {
    font-weight: 600;
}

.font-medium {
    font-weight: 500;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.text-white {
    color: white;
}

.text-primary-600 {
    color: var(--primary-600);
}

.text-slate-500 {
    color: var(--slate-500);
}

.text-slate-400 {
    color: var(--slate-400);
}

.text-red-500 {
    color: #ef4444;
}

.bg-white {
    background-color: white;
}

.bg-slate-50 {
    background-color: var(--slate-50);
}

.bg-slate-100 {
    background-color: var(--slate-100);
}

.rounded-lg {
    border-radius: var(--radius-lg);
}

.rounded-xl {
    border-radius: var(--radius-xl);
}

.rounded-full {
    border-radius: 9999px;
}

.shadow-sm {
    box-shadow: var(--shadow-sm);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

.shadow-xl {
    box-shadow: var(--shadow-xl);
}

.border {
    border-width: 1px;
}

.border-0 {
    border-width: 0;
}

.border-b {
    border-bottom-width: 1px;
}

.border-slate-100 {
    border-color: var(--slate-100);
}

.border-slate-200 {
    border-color: var(--slate-200);
}

.p-1 {
    padding: 0.25rem;
}

.p-2 {
    padding: 0.5rem;
}

.p-4 {
    padding: 1rem;
}

.p-6 {
    padding: 1.5rem;
}

.p-8 {
    padding: 2rem;
}

.py-2\.5 {
    padding-top: 0.625rem;
    padding-bottom: 0.625rem;
}

.px-3 {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

.px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.px-8 {
    padding-left: 2rem;
    padding-right: 2rem;
}

.mb-1 {
    margin-bottom: 0.25rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-3 {
    margin-bottom: 0.75rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.mb-8 {
    margin-bottom: 2rem;
}

.mt-1 {
    margin-top: 0.25rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-8 {
    margin-top: 2rem;
}

.ml-1 {
    margin-left: 0.25rem;
}

.mr-1 {
    margin-right: 0.25rem;
}

.mr-2 {
    margin-right: 0.5rem;
}

.w-full {
    width: 100%;
}

.max-w-3xl {
    max-width: 48rem;
}

.max-w-2xl {
    max-width: 42rem;
}

.flex-1 {
    flex: 1 1 0%;
}

.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.inset-y-0 {
    top: 0;
    bottom: 0;
}

.left-0 {
    left: 0;
}

.right-0 {
    right: 0;
}

.overflow-hidden {
    overflow: hidden;
}

.cursor-pointer {
    cursor: pointer;
}

.transition-all {
    transition-property: all;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

.duration-200 {
    transition-duration: 200ms;
}

/* Mobile Menu Button */
.menu-toggle {
    display: block;
    cursor: pointer;
    color: var(--slate-800); /* Darker for better visibility */
    padding: 0.5rem;
    z-index: 10000; /* Ultra-high z-index */
    transition: all 0.2s ease;
    background: transparent;
    border: none;
}

.menu-toggle:hover {
    color: var(--primary-600);
    background-color: var(--slate-100);
    border-radius: 50%;
}

@media (min-width: 769px) {
    .menu-toggle {
        display: none !important;
    }
}

/* --- Responsive Layout Improvements (Scoped) --- */

.responsive-layout .main-content {
    transition: margin-left 0.3s ease, padding 0.3s ease;
}

@media (max-width: 1023.98px) {
    /* Navbar & Header Adjustments */
    .responsive-layout .navbar {
        padding: 0 1rem !important;
    }

    /* Sidebar Behavior */
    .responsive-layout .sidebar {
        width: 280px !important;
        box-shadow: 20px 0 50px rgba(0,0,0,0.2) !important;
    }

    .responsive-layout .sidebar.open {
        transform: translateX(0) !important;
    }

    .responsive-layout .sidebar-overlay.open {
        display: block !important;
        opacity: 1 !important;
        pointer-events: auto !important;
    }
}

@media (max-width: 768px) {
    .responsive-layout .main-content {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
        padding-top: calc(var(--header-height) + 1rem) !important;
    }

    /* Cards & Containers */
    .responsive-layout .card, .responsive-layout .premium-card {
        padding: 1rem !important;
        border-radius: var(--radius-lg);
    }
    
    .responsive-layout .premium-card > div {
        padding: 1rem !important;
    }

    /* Stacked Flex & Grid Layouts */
    .responsive-layout .grid,
    .responsive-layout .grid-cols-2,
    .responsive-layout .lg\:grid-cols-2,
    .responsive-layout .lg\:grid-cols-4 {
        grid-template-columns: 1fr !important;
    }

    .responsive-layout .md\:flex-row {
        flex-direction: column !important;
        align-items: stretch !important;
    }
    
    .responsive-layout .flex-wrap {
        flex-direction: column !important;
        align-items: stretch !important;
    }

    /* Buttons */
    .responsive-layout .btn {
        width: 100% !important;
        margin-bottom: 0.5rem;
        padding: 0.75rem 1rem !important; /* Larger touch target */
    }

    /* Form Elements & Inputs */
    .responsive-layout .form-control,
    .responsive-layout .premium-input,
    .responsive-layout .premium-select {
        width: 100% !important;
        min-height: 44px; /* Essential touch target */
        font-size: 16px !important; /* Prevents auto-zoom on iOS */
    }

    /* Table Improvements: Horizontal Scroll */
    .responsive-layout .table-responsive,
    .responsive-layout .overflow-x-auto {
        margin: 0 -1rem !important;
        padding: 0 1rem;
        width: calc(100% + 2rem) !important;
        border-radius: 0 !important;
        border-left: none !important;
        border-right: none !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
    }

    .responsive-layout .table,
    .responsive-layout table {
        min-width: 800px !important; /* Force wide table layout to prevent squishing */
        white-space: nowrap !important; /* Prevent text wrapping inside cells */
    }
    
    .responsive-layout .table th,
    .responsive-layout .table td,
    .responsive-layout table th,
    .responsive-layout table td {
        white-space: nowrap;
    }

    /* Typography */
    .responsive-layout .text-2xl {
        font-size: 1.25rem !important;
    }
    .responsive-layout h2 {
        font-size: 1.5rem !important;
        text-align: center;
        margin-bottom: 0.5rem;
    }
    .responsive-layout p.text-slate-500 {
        text-align: center;
    }

    /* --- Attendance Roster Mobile Stacked View --- */

    .responsive-layout .attendance-table {
        display: block !important;
        min-width: 100% !important;
        border: none !important;
        background: transparent !important;
    }

    .responsive-layout .attendance-table thead {
        display: none !important;
    }

    .responsive-layout .attendance-table tbody {
        display: block !important;
        width: 100% !important;
    }

    .responsive-layout .attendance-table tr.roster-row {
        display: block !important;
        background: white !important;
        border-radius: 1.25rem !important;
        border: 1px solid var(--slate-200) !important;
        margin-bottom: 1.5rem !important;
        padding: 1.25rem !important;
        box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05) !important;
        position: relative !important;
    }

    .responsive-layout .attendance-table td {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 0.875rem 0 !important;
        border-bottom: 1px solid var(--slate-100) !important;
        text-align: right !important;
        white-space: normal !important;
        min-width: 100% !important;
    }

    .responsive-layout .attendance-table td:last-child {
        border-bottom: none !important;
        margin-top: 0.5rem !important;
        padding-top: 1.25rem !important;
        flex-direction: column !important;
        align-items: stretch !important;
    }

    .responsive-layout .attendance-table td:before {
        content: attr(data-label);
        font-weight: 700;
        color: var(--slate-500);
        font-size: 0.7rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        text-align: left;
        margin-right: 1rem;
        flex-shrink: 0;
    }

    /* Column Specific Mobile Adjustments */
    .responsive-layout .attendance-table td[data-label="Employee"] {
        border-bottom: 1px solid var(--slate-200) !important;
        margin-bottom: 0.5rem !important;
        padding-bottom: 1rem !important;
    }

    .responsive-layout .attendance-table td[data-label="Employee"]:before {
        display: none !important;
    }

    .responsive-layout .attendance-table td[data-label="Employee"] > div {
        width: 100% !important;
        justify-content: flex-start !important;
        text-align: left !important;
    }

    .responsive-layout .attendance-table td[data-label="Action"]:before {
        text-align: center !important;
        margin-right: 0 !important;
        margin-bottom: 1rem !important;
        width: 100% !important;
        display: block !important;
        border-top: 1px dashed var(--slate-200);
        padding-top: 1rem;
    }
    
    .responsive-layout .attendance-table td .premium-select,
    .responsive-layout .attendance-table td .premium-input,
    .responsive-layout .attendance-table td .form-control {
        width: 140px !important;
        margin: 0 !important;
    }
}

/**
 * MOBILE ENHANCEMENTS (Pull-to-refresh & Touch feed)
 */
.ptr-indicator {
    position: fixed;
    top: -60px; /* Hidden initially */
    left: 0;
    right: 0;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    z-index: 9999;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    opacity: 0;
    transition: transform 0.15s ease-out, opacity 0.15s ease-out;
    pointer-events: none;
}

.ptr-spinner-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.ptr-spinner {
    width: 24px;
    height: 24px;
    animation: ptr-rotate 2s linear infinite;
    display: none; /* Only show while refreshing */
}

.ptr-indicator.ptr-refreshing .ptr-spinner {
    display: block;
}

.ptr-indicator.ptr-ready .ptr-text {
    color: var(--primary-600);
    font-weight: 600;
}

.ptr-spinner .path {
    stroke: var(--primary-600);
    stroke-linecap: round;
}

.ptr-text {
    font-size: 0.75rem;
    color: var(--slate-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

@keyframes ptr-rotate {
    100% { transform: rotate(360deg); }
}

/* Touch feedback optimization */
.btn, .nav-item, a {
    touch-action: manipulation; /* Prevents double-tap zoom for faster clicks */
}

.touch-active {
    opacity: 0.7;
    background-color: var(--slate-100) !important;
    color: var(--primary-600) !important;
    transition: none !important;
}

.btn.touch-active {
    transform: scale(0.98);
}