/* ===== LAYOUT SYSTEM ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--space-4);
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-4);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
.grid-cols-12 { grid-template-columns: repeat(12, 1fr); }

/* Responsive Grid */
@media (min-width: 640px) {
    .sm\:grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .sm\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .sm\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .sm\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
    .sm\:grid-cols-12 { grid-template-columns: repeat(12, 1fr); }
}

@media (min-width: 768px) {
    .md\:grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .md\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
    .md\:grid-cols-12 { grid-template-columns: repeat(12, 1fr); }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .lg\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
    .lg\:grid-cols-12 { grid-template-columns: repeat(12, 1fr); }
}

/* Grid Spans */
.col-span-1 { grid-column: span 1; }
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }
.col-span-4 { grid-column: span 4; }
.col-span-5 { grid-column: span 5; }
.col-span-6 { grid-column: span 6; }
.col-span-7 { grid-column: span 7; }
.col-span-8 { grid-column: span 8; }
.col-span-9 { grid-column: span 9; }
.col-span-10 { grid-column: span 10; }
.col-span-11 { grid-column: span 11; }
.col-span-12 { grid-column: span 12; }

/* Flex Grid */
.flex-grid {
    display: flex;
    flex-wrap: wrap;
    margin: -0.5rem;
}

.flex-grid > * {
    flex: 1 0 300px;
    margin: 0.5rem;
}

/* Page Layouts */
.page-container {
    min-height: calc(100vh - 70px);
    padding: var(--space-6) 0;
}

.page-header {
    margin-bottom: var(--space-6);
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
}

/* Card Layouts */
.card-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-4);
}

/* Sidebar Layout */
.sidebar-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 1024px) {
    .sidebar-layout {
        grid-template-columns: 250px 1fr;
    }
    
    .sidebar-layout.reverse {
        grid-template-columns: 1fr 250px;
    }
}

.sidebar {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow-sm);
}

.main-content {
    flex: 1;
}

/* Dashboard Layout */
.dashboard-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
}

/* Form Layouts */
.form-layout {
    display: grid;
    gap: var(--space-4);
}

.form-layout-2 {
    grid-template-columns: 1fr;
}

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

/* Table Layout */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Modal Layout */
.modal-layout {
    display: grid;
    gap: var(--space-4);
}

.modal-header {
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--gray-200);
}

.modal-body {
    padding: var(--space-4) 0;
}

.modal-footer {
    padding-top: var(--space-4);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

/* Stepper Layout */
.stepper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    position: relative;
}

.stepper::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gray-200);
    z-index: 1;
}

.step {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: var(--space-2);
}

.step.active .step-number {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.step.completed .step-number {
    background: var(--success);
    border-color: var(--success);
    color: var(--white);
}

.step-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-align: center;
}

.step.active .step-label {
    color: var(--primary);
    font-weight: 600;
}

/* Hero Layout */
.hero-section {
    padding: var(--space-12) 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--space-6);
}

/* Section Layouts */
.section {
    padding: var(--space-8) 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
    text-align: center;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-8);
}

/* List Layouts */
.list-layout {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.list-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-fast);
}

.list-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* Gallery Layout */
.gallery-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-4);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Profile Layout */
.profile-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .profile-layout {
        grid-template-columns: 300px 1fr;
    }
}

.profile-sidebar {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow-sm);
    height: fit-content;
}

.profile-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
}

/* Stats Layout */
.stats-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

/* Calendar Layout */
.calendar-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 1024px) {
    .calendar-layout {
        grid-template-columns: 300px 1fr;
    }
}

.calendar-sidebar {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow-sm);
}

.calendar-main {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow-sm);
}

/* Timeline Layout */
.timeline {
    position: relative;
    padding-left: var(--space-8);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-300);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-6);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -24px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid var(--white);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.timeline-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

/* Responsive Utilities */
@media (max-width: 640px) {
    .page-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .col-span-2,
    .col-span-3,
    .col-span-4 {
        grid-column: span 1;
    }
}

/* Print Layout */
@media print {
    .no-print {
        display: none !important;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .page-container {
        padding: 0;
        min-height: auto;
    }
}