/* ==========================================================================
   Jyotirgamya Brand Design System
   Global design tokens, variables, and utilities
   ========================================================================== */

:root {
    /* ===== Brand Colors ===== */
    /* Primary - Green (Main brand color from Medium theme) */
    --brand-primary: #00ab6b;
    --brand-primary-hover: #038252;
    --brand-primary-light: #1c9963;
    --brand-primary-lighter: rgba(0, 171, 107, 0.1);
    --brand-primary-dark: #006644;

    /* Secondary - Complementary colors */
    --brand-secondary: #1c9963;
    --brand-accent: #00c77f;

    /* Background Colors */
    --brand-bg-primary: #FFFFFF;
    --brand-bg-secondary: #F9FAFB;
    --brand-bg-tertiary: #F3F4F6;
    --brand-bg-overlay: rgba(0, 0, 0, 0.5);

    /* Text Colors */
    --brand-text-primary: #111827;
    --brand-text-secondary: #6B7280;
    --brand-text-tertiary: #9CA3AF;
    --brand-text-inverse: #FFFFFF;
    --brand-text-muted: #718096;
    --brand-text-disabled: #D1D5DB;

    /* Semantic Colors */
    --brand-success: #10B981;
    --brand-warning: #F59E0B;
    --brand-error: #EF4444;
    --brand-info: #3B82F6;

    /* ===== Typography ===== */
    /* Font Families */
    --brand-font-primary: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --brand-font-secondary: Georgia, 'Times New Roman', serif;
    --brand-font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;

    /* Font Sizes */
    --brand-text-xs: 0.75rem;      /* 12px */
    --brand-text-sm: 0.875rem;     /* 14px */
    --brand-text-base: 1rem;       /* 16px */
    --brand-text-lg: 1.125rem;     /* 18px */
    --brand-text-xl: 1.25rem;      /* 20px */
    --brand-text-2xl: 1.5rem;      /* 24px */
    --brand-text-3xl: 1.875rem;    /* 30px */
    --brand-text-4xl: 2.25rem;     /* 36px */
    --brand-text-5xl: 3rem;        /* 48px */
    --brand-text-6xl: 3.75rem;     /* 60px */

    /* Font Weights */
    --brand-weight-normal: 400;
    --brand-weight-medium: 500;
    --brand-weight-semibold: 600;
    --brand-weight-bold: 700;
    --brand-weight-extrabold: 800;

    /* Line Heights */
    --brand-leading-tight: 1.25;
    --brand-leading-snug: 1.375;
    --brand-leading-normal: 1.5;
    --brand-leading-relaxed: 1.625;
    --brand-leading-loose: 2;

    /* Letter Spacing */
    --brand-tracking-tighter: -0.05em;
    --brand-tracking-tight: -0.025em;
    --brand-tracking-normal: 0;
    --brand-tracking-wide: 0.025em;
    --brand-tracking-wider: 0.05em;

    /* ===== Spacing Scale ===== */
    --brand-space-0: 0;
    --brand-space-1: 0.25rem;      /* 4px */
    --brand-space-2: 0.5rem;       /* 8px */
    --brand-space-3: 0.75rem;      /* 12px */
    --brand-space-4: 1rem;         /* 16px */
    --brand-space-5: 1.25rem;      /* 20px */
    --brand-space-6: 1.5rem;       /* 24px */
    --brand-space-8: 2rem;         /* 32px */
    --brand-space-10: 2.5rem;      /* 40px */
    --brand-space-12: 3rem;        /* 48px */
    --brand-space-16: 4rem;        /* 64px */
    --brand-space-20: 5rem;        /* 80px */
    --brand-space-24: 6rem;        /* 96px */

    /* ===== Border Radius ===== */
    --brand-radius-none: 0;
    --brand-radius-sm: 0.125rem;   /* 2px */
    --brand-radius-base: 0.25rem;  /* 4px */
    --brand-radius-md: 0.5rem;     /* 8px */
    --brand-radius-lg: 0.75rem;    /* 12px */
    --brand-radius-xl: 1rem;       /* 16px */
    --brand-radius-2xl: 1.5rem;    /* 24px */
    --brand-radius-full: 9999px;

    /* ===== Shadows ===== */
    --brand-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --brand-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --brand-shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --brand-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --brand-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --brand-shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --brand-shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

    /* ===== Z-Index Scale ===== */
    --brand-z-below: -1;
    --brand-z-default: 1;
    --brand-z-dropdown: 1000;
    --brand-z-sticky: 1100;
    --brand-z-fixed: 1200;
    --brand-z-modal-backdrop: 1300;
    --brand-z-modal: 1400;
    --brand-z-popover: 1500;
    --brand-z-tooltip: 1600;

    /* ===== Transitions ===== */
    --brand-transition-fast: 150ms ease-out;
    --brand-transition-base: 200ms ease-out;
    --brand-transition-slow: 300ms ease-out;
    --brand-transition-slower: 500ms ease-out;

    /* ===== Breakpoints (for JS usage) ===== */
    --brand-breakpoint-sm: 640px;
    --brand-breakpoint-md: 768px;
    --brand-breakpoint-lg: 1024px;
    --brand-breakpoint-xl: 1280px;
    --brand-breakpoint-2xl: 1536px;

    /* ===== Container Widths ===== */
    --brand-container-sm: 640px;
    --brand-container-md: 768px;
    --brand-container-lg: 1024px;
    --brand-container-xl: 1280px;
}

/* ===== Bootstrap Overrides ===== */
/* Override Bootstrap's primary color with brand green */
.btn-primary {
    background-color: var(--brand-primary) !important;
    border-color: var(--brand-primary) !important;
    color: var(--brand-text-inverse) !important;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: var(--brand-primary-hover) !important;
    border-color: var(--brand-primary-hover) !important;
    color: var(--brand-text-inverse) !important;
}

.btn-primary:not(:disabled):not(.disabled):active,
.btn-primary:not(:disabled):not(.disabled).active,
.show > .btn-primary.dropdown-toggle {
    background-color: var(--brand-primary-dark) !important;
    border-color: var(--brand-primary-dark) !important;
}

/* Override other Bootstrap primary color usages */
.badge-primary {
    background-color: var(--brand-primary) !important;
}

.bg-primary {
    background-color: var(--brand-primary) !important;
}

.text-primary {
    color: var(--brand-primary) !important;
}

.border-primary {
    border-color: var(--brand-primary) !important;
}

a.text-primary:hover,
a.text-primary:focus {
    color: var(--brand-primary-hover) !important;
}

/* ===== Global Utilities ===== */

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus Visible Outline */
.focus-outline:focus-visible {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
}

/* Common Button Styles */
.btn-brand {
    padding: 0.75rem 1.5rem;
    font-weight: var(--brand-weight-semibold);
    border-radius: var(--brand-radius-md);
    transition: all var(--brand-transition-base);
    cursor: pointer;
    display: inline-block;
    text-decoration: none;
}

.btn-brand-primary {
    background-color: var(--brand-primary);
    color: var(--brand-text-inverse);
    border: none;
}

.btn-brand-primary:hover {
    background-color: var(--brand-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--brand-shadow-md);
}

.btn-brand-secondary {
    background-color: transparent;
    color: var(--brand-primary);
    border: 2px solid var(--brand-primary);
}

.btn-brand-secondary:hover {
    background-color: var(--brand-primary-lighter);
}

/* Container */
.container-brand {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--brand-space-4);
    padding-right: var(--brand-space-4);
}

@media (min-width: 640px) {
    .container-brand {
        max-width: var(--brand-container-sm);
    }
}

@media (min-width: 768px) {
    .container-brand {
        max-width: var(--brand-container-md);
    }
}

@media (min-width: 1024px) {
    .container-brand {
        max-width: var(--brand-container-lg);
    }
}

@media (min-width: 1280px) {
    .container-brand {
        max-width: var(--brand-container-xl);
    }
}

/* ===== Article Metadata Row ===== */
.article-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--brand-space-3);
    align-items: center;
    margin-top: var(--brand-space-6);
    margin-bottom: var(--brand-space-8);
    padding-bottom: 0;
    border-bottom: none;
    font-size: var(--brand-text-sm);
    color: var(--brand-text-secondary);
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: var(--brand-space-2);
    padding: var(--brand-space-2) var(--brand-space-3);
    background: linear-gradient(135deg, rgba(0, 171, 107, 0.08) 0%, rgba(28, 153, 99, 0.05) 100%);
    border: 1px solid rgba(0, 171, 107, 0.15);
    border-radius: var(--brand-radius-xl);
    color: var(--brand-text-secondary);
    font-weight: var(--brand-weight-medium);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 171, 107, 0.08);
    transition: all var(--brand-transition-base);
}

.meta-item:hover {
    background: linear-gradient(135deg, rgba(0, 171, 107, 0.12) 0%, rgba(28, 153, 99, 0.09) 100%);
    border-color: rgba(0, 171, 107, 0.25);
    box-shadow: 0 6px 20px rgba(0, 171, 107, 0.12);
    transform: translateY(-1px);
}

.meta-item i {
    color: var(--brand-primary);
    font-size: var(--brand-text-base);
    width: 16px;
    text-align: center;
}

.meta-label {
    font-weight: var(--brand-weight-semibold);
    color: var(--brand-text-primary);
    display: none;
}

.meta-value {
    color: var(--brand-text-secondary);
    font-weight: var(--brand-weight-normal);
}

@media (min-width: 768px) {
    .article-meta-row {
        gap: var(--brand-space-3);
    }

    .meta-label {
        display: none;
    }
}

/* ===== List Card Updated Date ===== */
.post-updated-date {
    color: var(--brand-text-tertiary);
    font-size: var(--brand-text-xs);
}

/* ===== Search Component Styling ===== */

/* Search Section - Minimal Container */
.search-section {
    margin: var(--brand-space-6) auto;
    padding: 0;
    max-width: 900px;
    width: 90%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* Search Input Wrapper */
.search-container {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

/* Search Input Field - Clean and Minimal */
.search-input {
    width: 100%;
    padding: var(--brand-space-6) var(--brand-space-8);
    font-size: var(--brand-text-lg);
    font-family: var(--brand-font-primary);
    font-weight: var(--brand-weight-normal);
    border: 2px solid var(--brand-primary);
    border-radius: var(--brand-radius-md);
    background-color: var(--brand-bg-primary);
    color: var(--brand-text-primary);
    transition: all var(--brand-transition-base);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.search-input:hover {
    border-color: var(--brand-primary-hover);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05), 0 6px 16px rgba(0, 171, 107, 0.25);
}

.search-input:focus {
    outline: none;
    border-color: var(--brand-primary-hover);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05), 0 0 0 6px rgba(0, 171, 107, 0.2), 0 8px 20px rgba(0, 171, 107, 0.3);
    transform: translateY(-1px);
}

.search-input::placeholder {
    color: var(--brand-text-muted);
    font-weight: var(--brand-weight-normal);
}

/* Search Results Container */
.search-results {
    margin-top: var(--brand-space-8);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.search-results-header {
    margin-bottom: var(--brand-space-6);
    padding-bottom: var(--brand-space-4);
    border-bottom: 2px solid var(--brand-primary-lighter);
}

.search-results-header p {
    margin: 0;
    font-weight: var(--brand-weight-semibold);
    color: var(--brand-text-primary);
    font-size: var(--brand-text-base);
}

/* Search Results List */
.search-results-list {
    display: grid;
    gap: var(--brand-space-6);
}

/* Individual Search Result Item */
.search-result-item {
    display: flex;
    gap: var(--brand-space-4);
    padding: var(--brand-space-4);
    border: 1px solid #E5E7EB;
    border-radius: var(--brand-radius-md);
    background-color: var(--brand-bg-primary);
    transition: all var(--brand-transition-base);
}

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

/* Result Image - Thumbnail */
.result-image {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: var(--brand-radius-md);
    flex-shrink: 0;
}

/* Result Content Area */
.result-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

/* Result Header - Title and Section Badge */
.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--brand-space-3);
    margin-bottom: var(--brand-space-3);
}

.result-title {
    flex: 1;
    font-size: var(--brand-text-lg);
    font-weight: var(--brand-weight-semibold);
    color: var(--brand-primary);
    text-decoration: none;
    transition: color var(--brand-transition-base);
    line-height: var(--brand-leading-snug);
}

.result-title:hover {
    color: var(--brand-primary-hover);
}

.result-excerpt {
    margin: 0;
    color: var(--brand-text-secondary);
    font-size: var(--brand-text-sm);
    line-height: var(--brand-leading-normal);
}

.result-section {
    display: inline-block;
    padding: var(--brand-space-1) var(--brand-space-3);
    background-color: var(--brand-primary-lighter);
    color: var(--brand-primary);
    border-radius: var(--brand-radius-sm);
    text-transform: capitalize;
    font-size: var(--brand-text-xs);
    font-weight: var(--brand-weight-medium);
    white-space: nowrap;
    flex-shrink: 0;
}

/* No Results Message */
.search-no-results {
    padding: var(--brand-space-8);
    text-align: center;
    color: var(--brand-text-secondary);
}

.search-no-results p {
    margin: 0;
    font-size: var(--brand-text-base);
    line-height: var(--brand-leading-normal);
}

/* Search Loading State */
.search-input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: var(--brand-bg-tertiary);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .search-section {
        padding: var(--brand-space-6);
        margin-bottom: var(--brand-space-8);
    }

    .search-input {
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .tags-list {
        gap: var(--brand-space-2);
    }

    .tag-link {
        font-size: var(--brand-text-xs);
        padding: var(--brand-space-2) var(--brand-space-3);
    }

    .result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--brand-space-2);
    }

    .result-section {
        margin-top: var(--brand-space-2);
    }
}

/* ===== Breadcrumb Navigation ===== */
nav[aria-label="breadcrumb"] {
    padding: var(--brand-space-4) var(--brand-space-6);
    color: var(--brand-text-tertiary);
    font-size: var(--brand-text-sm);
    font-weight: var(--brand-weight-normal);
    font-family: var(--brand-font-primary);
    line-height: var(--brand-leading-snug);
}

nav[aria-label="breadcrumb"] a {
    color: var(--brand-primary);
    text-decoration: none;
    transition: color var(--brand-transition-base);
}

nav[aria-label="breadcrumb"] a:hover {
    color: var(--brand-primary-hover);
    text-decoration: underline;
}

nav[aria-label="breadcrumb"] .breadcrumb-separator {
    margin: 0 var(--brand-space-2);
    color: var(--brand-text-disabled);
}

nav[aria-label="breadcrumb"] .breadcrumb-current {
    color: var(--brand-text-primary);
    font-weight: var(--brand-weight-medium);
}

/* ===== Card Metadata - Glossy Liquid Style ===== */
.post-metadata {
    display: flex;
    gap: var(--brand-space-3);
    flex-wrap: wrap;
    margin-top: var(--brand-space-2);
}

.metadata-item {
    display: inline-flex;
    align-items: center;
    padding: var(--brand-space-2) var(--brand-space-3);
    background: linear-gradient(135deg, rgba(0, 171, 107, 0.08) 0%, rgba(28, 153, 99, 0.05) 100%);
    border: 1px solid rgba(0, 171, 107, 0.15);
    border-radius: var(--brand-radius-xl);
    color: var(--brand-text-secondary);
    font-size: var(--brand-text-xs);
    font-weight: var(--brand-weight-medium);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 171, 107, 0.08);
    transition: all var(--brand-transition-base);
}

.metadata-item:hover {
    background: linear-gradient(135deg, rgba(0, 171, 107, 0.12) 0%, rgba(28, 153, 99, 0.09) 100%);
    border-color: rgba(0, 171, 107, 0.25);
    box-shadow: 0 6px 20px rgba(0, 171, 107, 0.12);
    transform: translateY(-1px);
}

.metadata-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    margin-right: var(--brand-space-2);
    color: var(--brand-primary);
    flex-shrink: 0;
}

/* ===== Search Bar - Glossy Liquid Style ===== */
.mediumnavigation .form-inline {
    justify-content: center;
    margin-left: 0 !important;
}

.mediumnavigation .form-control {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(249, 250, 251, 0.95) 100%);
    border: 1px solid rgba(0, 171, 107, 0.2);
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1), inset 0 1px 1px rgba(255, 255, 255, 0.5);
    transition: all var(--brand-transition-base);
}

.mediumnavigation .form-control:focus {
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(249, 250, 251, 1) 100%);
    border-color: var(--brand-primary);
    box-shadow: 0 12px 40px rgba(0, 171, 107, 0.2), inset 0 1px 1px rgba(255, 255, 255, 0.8);
}

.mediumnavigation .form-inline .btn {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-light) 100%);
    border: 1px solid var(--brand-primary-dark);
    box-shadow: 0 4px 15px rgba(0, 171, 107, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all var(--brand-transition-base);
}

.mediumnavigation .form-inline .btn:hover {
    box-shadow: 0 6px 25px rgba(0, 171, 107, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* ===== What This Is / What This Isn't Section ===== */
.what-section {
    margin: var(--brand-space-12) 0;
    padding: var(--brand-space-8) 0;
}

.what-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--brand-space-8);
    max-width: 1000px;
    margin: 0 auto;
}

.what-column {
    padding: var(--brand-space-6);
    border-radius: var(--brand-radius-lg);
    background: var(--brand-bg-secondary);
    border: 2px solid var(--brand-primary-lighter);
}

.what-column.what-is {
    border-color: rgba(16, 185, 129, 0.2);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(16, 185, 129, 0.02) 100%);
}

.what-column.what-isnt {
    border-color: rgba(239, 68, 68, 0.2);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, rgba(239, 68, 68, 0.02) 100%);
}

.what-title {
    display: flex;
    align-items: center;
    gap: var(--brand-space-3);
    font-size: var(--brand-text-lg);
    font-weight: var(--brand-weight-semibold);
    margin-bottom: var(--brand-space-4);
    color: var(--brand-text-primary);
}

.what-is .what-title {
    color: var(--brand-success);
}

.what-isnt .what-title {
    color: var(--brand-error);
}

.what-icon {
    display: inline-flex;
    flex-shrink: 0;
}

.what-is .what-icon {
    color: var(--brand-success);
}

.what-isnt .what-icon {
    color: var(--brand-error);
}

.what-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.what-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--brand-space-3);
    margin-bottom: var(--brand-space-4);
    padding: var(--brand-space-3) var(--brand-space-4);
    background: var(--brand-bg-primary);
    border-radius: var(--brand-radius-md);
    font-size: var(--brand-text-sm);
    line-height: var(--brand-leading-relaxed);
    color: var(--brand-text-secondary);
    transition: all var(--brand-transition-base);
}

.what-list li:hover {
    box-shadow: var(--brand-shadow-sm);
    transform: translateY(-1px);
}

.what-list li:last-child {
    margin-bottom: 0;
}

.what-list li::before {
    content: '';
    display: inline-block;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    margin-top: 2px;
}

.what-is .what-list li::before {
    background: var(--brand-success);
    clip-path: polygon(50% 100%, 100% 0%, 30% 70%, 0 45%);
}

.what-isnt .what-list li::before {
    background: var(--brand-error);
    clip-path: polygon(20% 0%, 0% 20%, 30% 50%, 0% 80%, 20% 100%, 50% 70%, 80% 100%, 100% 80%, 70% 50%, 100% 20%, 80% 0%, 50% 30%);
}

/* Responsive - Stack columns on mobile */
@media (max-width: 768px) {
    .what-columns {
        grid-template-columns: 1fr;
        gap: var(--brand-space-6);
    }

    .what-list li {
        font-size: var(--brand-text-xs);
        padding: var(--brand-space-2) var(--brand-space-3);
    }
}