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

:root {
    /* Color Palette */
    --color-primary: #0F172A;       /* Slate 900 */
    --color-primary-light: #1E293B; /* Slate 800 */
    --color-accent: #0284C7;        /* Sky 600 - Deep Blue */
    --color-accent-light: #E0F2FE;  /* Sky 100 */
    --color-success: #10B981;       /* Emerald 500 */
    --color-success-light: #D1FAE5; /* Emerald 100 */
    --color-warning: #F59E0B;       /* Amber 500 */
    --color-warning-light: #FEF3C7; /* Amber 100 */
    --color-danger: #EF4444;        /* Red 500 */
    --color-danger-light: #FEE2E2;  /* Red 100 */
    --color-bg-base: #F8FAFC;       /* Slate 50 */
    --color-bg-card: #FFFFFF;
    --color-border: #E2E8F0;        /* Slate 200 */
    --color-text-main: #0F172A;     /* Slate 900 */
    --color-text-muted: #64748B;    /* Slate 500 */
    --color-text-light: #FFFFFF;

    /* Fonts & Typography */
    --font-family: 'Outfit', sans-serif;
    
    /* Layout Tokens */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-base);
    color: var(--color-text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Layout Wrapper */
.app-container {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

@media (min-width: 768px) {
    .app-container {
        flex-direction: row;
    }
}

/* Sidebar Navigation (Desktop) */
.sidebar {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    width: 100%;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    border-bottom: 1px solid var(--color-primary-light);
}

@media (min-width: 768px) {
    .sidebar {
        width: 260px;
        min-height: 100vh;
        position: fixed;
        left: 0;
        top: 0;
        border-bottom: none;
        border-right: 1px solid var(--color-primary-light);
    }
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
    color: var(--color-text-light);
    text-decoration: none;
}

.sidebar-brand span {
    color: var(--color-accent);
}

.sidebar-nav {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

@media (min-width: 768px) {
    .sidebar-nav {
        flex-direction: column;
        overflow-x: visible;
        padding-bottom: 0;
    }
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    color: #94A3B8;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-item:hover, .nav-item.active {
    color: var(--color-text-light);
    background-color: var(--color-primary-light);
}

.nav-item.active {
    border-left: 3px solid var(--color-accent);
}

/* Main Content Area */
.main-content {
    flex: 1;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .main-content {
        margin-left: 260px;
        padding: 2.5rem;
        max-width: calc(100vw - 260px);
    }
}

/* Header UI */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-accent);
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* Forms & Input Elements */
.form-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-main);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-family);
    font-size: 1rem;
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-main);
    transition: var(--transition);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-text-light);
}

.btn-primary:hover {
    background-color: #0369A1;
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: #CBD5E1;
}

.btn-block {
    width: 100%;
}

/* Cards & KPI Grid */
.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* KPI Card Variants */
.kpi-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.kpi-value {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1;
    margin: 0.5rem 0;
}

.kpi-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.kpi-indicator {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Alert Colors for KPI and Statuses */
.status-success { background-color: var(--color-success-light); color: var(--color-success); }
.status-warning { background-color: var(--color-warning-light); color: var(--color-warning); }
.status-danger { background-color: var(--color-danger-light); color: var(--color-danger); }
.status-info { background-color: var(--color-accent-light); color: var(--color-accent); }

/* Login Form Page Styling */
.auth-wrapper {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 50% 50%, #1e293b 0%, #0f172a 100%);
    padding: 1rem;
}

.auth-card {
    background-color: #FFFFFF;
    width: 100%;
    max-width: 420px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    padding: 2.5rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.auth-logo span {
    color: var(--color-accent);
}

.auth-subtitle {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Checklist Mobile Custom Items */
.checklist-item {
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 640px) {
    .checklist-item {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.checklist-info {
    display: flex;
    flex-direction: column;
}

.checklist-title {
    font-weight: 600;
    font-size: 1rem;
}

.checklist-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Tri-state inspection toggles (Pasa / No Pasa / Alerta) */
.toggle-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background-color: var(--color-bg-base);
    padding: 4px;
    border-radius: 30px;
    width: 100%;
    max-width: 300px;
    border: 1px solid var(--color-border);
}

.toggle-btn {
    border: none;
    background: none;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.5rem 0.75rem;
    border-radius: 25px;
    cursor: pointer;
    text-align: center;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.toggle-btn:hover {
    color: var(--color-text-main);
}

.toggle-btn.active[data-state="pasa"] {
    background-color: var(--color-success);
    color: var(--color-text-light);
}

.toggle-btn.active[data-state="alerta"] {
    background-color: var(--color-warning);
    color: var(--color-text-light);
}

.toggle-btn.active[data-state="no_pasa"] {
    background-color: var(--color-danger);
    color: var(--color-text-light);
}

/* Evidence Photo Button */
.evidence-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-accent);
    background: none;
    border: 1px dashed var(--color-accent);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.evidence-btn:hover {
    background-color: var(--color-accent-light);
}

/* Tables Styling */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
    background-color: #FFFFFF;
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.table th, .table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
}

.table th {
    background-color: var(--color-bg-base);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

/* Mobile-first collapsing table cards */
@media (max-width: 767px) {
    .table-container.responsive-table {
        border: none;
        background: none;
    }
    
    .table-container.responsive-table table, 
    .table-container.responsive-table thead, 
    .table-container.responsive-table tbody, 
    .table-container.responsive-table th, 
    .table-container.responsive-table td, 
    .table-container.responsive-table tr {
        display: block;
    }
    
    .table-container.responsive-table thead {
        display: none; /* Hide header on mobile */
    }
    
    .table-container.responsive-table tr {
        background-color: #FFFFFF;
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-md);
        margin-bottom: 1rem;
        padding: 1rem;
        box-shadow: var(--shadow-sm);
    }
    
    .table-container.responsive-table td {
        border: none;
        padding: 0.5rem 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 1px dashed var(--color-border);
    }
    
    .table-container.responsive-table td:last-child {
        border-bottom: none;
    }
    
    .table-container.responsive-table td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 0.875rem;
        color: var(--color-text-muted);
    }
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal-content {
    background-color: #FFFFFF;
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 600px;
    padding: 2rem;
    position: relative;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-muted);
}

/* Alert Banner / Toast */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid transparent;
}

.alert-danger {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
    border-color: rgba(239, 68, 68, 0.2);
}

.alert-success {
    background-color: var(--color-success-light);
    color: var(--color-success);
    border-color: rgba(16, 185, 129, 0.2);
}