/* ============================================
   GSTGate Design System - Layout System
   ============================================ */

/* -------------------------
   Container
   ------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-4);
    }
}

@media (max-width: 440px) {
    .container {
        padding: 0 var(--space-3);
    }
}

/* -------------------------
   Page Layout
   ------------------------- */
.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    padding-top: var(--space-6);
    padding-bottom: var(--space-12);
}

/* -------------------------
   Two Column Layout
   ------------------------- */
.layout-two-col {
    display: grid;
    grid-template-columns: 1fr var(--sidebar-width);
    gap: var(--space-6);
    align-items: start;
}

@media (max-width: 1024px) {
    .layout-two-col {
        display: flex;
        flex-direction: column;
    }

    /* Ensure result card comes after calculator on mobile */
    .layout-sidebar {
        order: 2;
    }

    .layout-main {
        order: 1;
    }
}

.layout-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.layout-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
}

@media (max-width: 1024px) {
    .layout-sidebar {
        position: static;
    }
}

/* -------------------------
   Calculator Layout (Mobile: results right after calculator)
   ------------------------- */
/* -------------------------
   Calculator Layout (Desktop: Flex Left/Right)
   ------------------------- */
.calculator-layout {
    display: flex;
    /* Changed from Grid to Flex for better height handling */
    align-items: start;
    gap: var(--space-8);
}

/* Wrapper for Calculator + Extra Content (Left Column) */
.calculator-layout .layout-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    min-width: 0;
    /* Prevents flex overflow */
}

/* Results Area (Right Column) */
.calculator-layout .results-area {
    width: var(--sidebar-width);
    flex-shrink: 0;
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.calculator-layout .calculator-area,
.calculator-layout .extra-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

/* Avoid double margin with gap */
.calculator-layout .section {
    margin-bottom: 0;
}

@media (max-width: 1024px) {
    .calculator-layout {
        flex-direction: column;
    }

    /* Unwrap the main container to allow reordering */
    .calculator-layout .layout-main {
        display: contents;
    }

    /* Force full width on mobile to override align-items: start */
    .calculator-layout .calculator-area,
    .calculator-layout .extra-content {
        width: 100%;
    }

    /* Mobile order: calculator -> results -> extra content */
    .calculator-layout .calculator-area {
        order: 1;
    }

    .calculator-layout .results-area {
        order: 2;
        width: 100%;
        /* Full width on mobile */
        position: static;
    }

    .calculator-layout .extra-content {
        order: 3;
    }
}

/* -------------------------
   Content Sections
   ------------------------- */
.section {
    margin-bottom: var(--space-10);
}

.section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-6);
    color: var(--text-primary);
}

/* -------------------------
   Page Header
   ------------------------- */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.page-title-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.page-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin: 0;
}

.page-subtitle {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* -------------------------
   Breadcrumb
   ------------------------- */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    font-size: var(--text-sm);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--primary);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: var(--font-medium);
}

.breadcrumb-separator {
    color: var(--text-muted);
    user-select: none;
}

/* Mobile breadcrumb - back link only */
@media (max-width: 440px) {
    .breadcrumb {
        display: none;
    }

    .breadcrumb-mobile {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        margin-bottom: var(--space-4);
        font-size: var(--text-sm);
        color: var(--text-secondary);
    }

    .breadcrumb-mobile a {
        color: var(--primary);
        text-decoration: none;
        display: flex;
        align-items: center;
        gap: var(--space-1);
    }
}

@media (min-width: 441px) {
    .breadcrumb-mobile {
        display: none;
    }
}

/* -------------------------
   Content Width Constraints
   ------------------------- */
.content-narrow {
    max-width: 800px;
    margin: 0 auto;
}

.content-wide {
    max-width: 1200px;
    margin: 0 auto;
}

/* -------------------------
   Grid Helpers
   ------------------------- */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

@media (max-width: 768px) {

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* -------------------------
   Sticky Bottom (Mobile Ads)
   ------------------------- */
.has-sticky-bottom {
    padding-bottom: var(--sticky-ad-height);
}

.sticky-bottom {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--sticky-ad-height);
    background: var(--bg-white);
    border-top: 1px solid var(--border);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 769px) {
    .sticky-bottom {
        display: none;
    }

    .has-sticky-bottom {
        padding-bottom: 0;
    }
}