/**
 * Instagram Glossary Page Styles
 * CreatorFlow - Instagram Glossary Resource
 *
 * Brand Guidelines:
 * - NO box-shadows (except box-shadow: none to remove inherited)
 * - ONLY #000000 for dark backgrounds
 * - Lime green (#d1fe17) for accents only
 * - Mobile-first design
 */

/* ===== CSS VARIABLES ===== */
:root {
    --glossary-lime: #d1fe17;
    --glossary-black: #000000;
    --glossary-white: #ffffff;
    --glossary-gray-50: #f9fafb;
    --glossary-gray-100: #f3f4f6;
    --glossary-gray-200: #e5e7eb;
    --glossary-gray-600: #4b5563;
    --glossary-gray-700: #374151;
}

/* ==========================================
   BASE & RESET
   ========================================== */

.glossary-page {
    font-family: 'neusanstrial', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--glossary-gray-700);
    line-height: 1.6;
}

.glossary-page h1,
.glossary-page h2,
.glossary-page h3,
.glossary-page h4,
.glossary-page h5,
.glossary-page h6 {
    font-family: 'neusanstrial', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: #000000 !important;
}

/* CTA section headings must be white on dark background */
.glossary-page .glossary-cta h2,
.glossary-page .glossary-cta__title {
    color: #ffffff !important;
}

/* ==========================================
   HERO SECTION
   ========================================== */

/* Hero padding must account for header (announcement banner + navbar ≈ 146px) */
.glossary-hero {
    background: var(--glossary-white);
    padding: 10rem 0 2.5rem;
    text-align: center;
}

.glossary-hero__container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.glossary-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: transparent;
    color: #6b7280;
    padding: 0;
    border-radius: 0;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-family: 'neusanstrial', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.glossary-hero__badge .badge__icon {
    font-size: 1rem;
}

.glossary-hero__title {
    font-size: clamp(1.75rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--glossary-black) !important;
    margin: 0 0 1rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
    font-family: 'neusanstrial', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.glossary-hero__description {
    font-size: clamp(0.9375rem, 2.5vw, 1.125rem);
    color: var(--glossary-gray-600);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

/* Search Box */
.glossary-search {
    max-width: 500px;
    margin: 0 auto 2rem;
}

.glossary-search__input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.glossary-search__input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    font-size: 1rem;
    border: 1px solid var(--glossary-gray-200);
    border-radius: 8px;
    background: var(--glossary-white);
    transition: border-color 0.2s ease;
    font-family: inherit;
}

.glossary-search__input:focus {
    outline: none;
    border-color: var(--glossary-lime);
}

.glossary-search__input::placeholder {
    color: #9ca3af;
}

.glossary-search__icon {
    position: absolute;
    left: 1rem;
    font-size: 1.125rem;
    pointer-events: none;
}

.glossary-search__hint {
    font-size: 0.8125rem;
    color: var(--glossary-gray-600);
    margin-top: 0.5rem;
}

/* Alphabet Navigation */
.glossary-alphabet {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.glossary-alphabet__letter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--glossary-gray-700);
    background: transparent;
    border: 1px solid var(--glossary-gray-200);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
    font-family: 'neusanstrial', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.glossary-alphabet__letter:hover {
    background: var(--glossary-black);
    color: var(--glossary-white);
    border-color: var(--glossary-black);
}

/* Tablet: 769px - 1023px */
@media (min-width: 769px) and (max-width: 1023px) {
    .glossary-hero {
        padding: 9rem 0 2rem;
    }

    .glossary-alphabet__letter {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* Mobile: max 768px */
@media (max-width: 768px) {
    .glossary-hero {
        padding: 8rem 0 1.5rem;
    }

    .glossary-hero__container {
        padding: 0 1rem;
    }

    .glossary-hero__title {
        font-size: 1.5rem;
    }

    .glossary-hero__description {
        font-size: 0.875rem;
    }
}

/* Small Mobile: 480px and below */
@media (max-width: 480px) {
    .glossary-hero {
        padding: 7.5rem 0 1.25rem;
    }

    .glossary-hero__badge {
        font-size: 0.6875rem;
        padding: 0;
        margin-bottom: 1.25rem;
    }

    .glossary-hero__title {
        font-size: 1.25rem;
    }
}

/* ==========================================
   GLOSSARY TERMS SECTION
   ========================================== */

.glossary-terms {
    background: var(--glossary-gray-50);
    padding: 2rem 0;
}

.glossary-terms__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2.5rem;
}

.glossary-letter-section {
    margin-bottom: 2rem;
    scroll-margin-top: 100px; /* Account for sticky nav */
}

.glossary-letter-heading {
    font-size: 2rem;
    font-weight: 700;
    color: var(--glossary-black) !important;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--glossary-lime);
    display: inline-block;
}

.glossary-terms-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

/* Term Card */
.glossary-term-card {
    background: var(--glossary-white);
    border: 1px solid var(--glossary-gray-200);
    border-radius: 0.875rem;
    padding: 1.25rem;
    transition: border-color 0.2s ease;
}

.glossary-term-card:hover {
    border-color: var(--glossary-lime);
}

.glossary-term-card.hidden {
    display: none;
}

.glossary-term-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.glossary-term-card__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--glossary-black) !important;
    margin: 0;
    font-family: 'neusanstrial', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.glossary-term-card__category {
    display: inline-block;
    background: var(--glossary-gray-100);
    color: var(--glossary-gray-700);
    font-size: 0.5625rem;
    font-weight: 600;
    padding: 0.1875rem 0.4rem;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.glossary-term-card__definition {
    font-size: 0.9375rem;
    color: var(--glossary-gray-700);
    line-height: 1.65;
    margin: 0 0 0.75rem;
}

.glossary-term-card__example {
    font-size: 0.875rem;
    color: var(--glossary-gray-600);
    background: var(--glossary-gray-50);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.75rem;
    font-style: italic;
}

.glossary-term-card__example strong {
    color: var(--glossary-gray-700);
    font-style: normal;
}

.glossary-term-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--glossary-black);
    text-decoration: none;
    transition: color 0.2s ease;
    font-family: 'neusanstrial', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.glossary-term-card__link:hover {
    color: var(--glossary-lime);
}

/* Tablet and up */
@media (min-width: 640px) {
    .glossary-terms {
        padding: 2.5rem 0;
    }

    .glossary-terms-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }

    .glossary-term-card {
        padding: 1.5rem;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .glossary-terms {
        padding: 3rem 0;
    }

    .glossary-terms-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .glossary-letter-section {
        margin-bottom: 2.5rem;
    }
}

/* ==========================================
   CTA SECTION
   ========================================== */

.glossary-cta {
    background: var(--glossary-black);
    padding: 2rem 1.5rem;
    text-align: center;
    border-radius: 16px;
    margin: 1.5rem 1rem;
}

.glossary-cta__container {
    max-width: 700px;
    margin: 0 auto;
}

.glossary-cta__title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    color: var(--glossary-white) !important;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.glossary-cta__description {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.glossary-cta__features {
    display: none;
}

.glossary-cta__button {
    display: inline-block;
    background: var(--glossary-lime);
    color: var(--glossary-black);
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    font-family: 'neusanstrial', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.glossary-cta__button:hover {
    background: var(--glossary-white);
    color: var(--glossary-black);
}

.glossary-cta__microcopy {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 1rem;
}

/* Tablet and up */
@media (min-width: 640px) {
    .glossary-cta {
        padding: 2.5rem 2rem;
        margin: 2rem 1.5rem;
        border-radius: 20px;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .glossary-cta {
        padding: 3rem 2.5rem;
        margin: 2rem;
        border-radius: 24px;
    }
}

/* ==========================================
   RESOURCES SECTION
   ========================================== */

.glossary-resources {
    background: var(--glossary-gray-50);
    padding: 2rem 0;
}

.glossary-resources__container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2.5rem;
}

.glossary-resources__title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    color: var(--glossary-black) !important;
    text-align: center;
    margin-bottom: 2rem;
}

.glossary-resources__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.glossary-resource-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: var(--glossary-white);
    border: 1px solid var(--glossary-gray-200);
    border-radius: 0.875rem;
    padding: 1.25rem;
    text-decoration: none;
    transition: border-color 0.2s ease;
}

.glossary-resource-card:hover {
    border-color: var(--glossary-lime);
}

.glossary-resource-card .resource-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    opacity: 0.85;
}

.glossary-resource-card .resource-content {
    flex: 1;
}

.glossary-resource-card .resource-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--glossary-black);
    margin: 0 0 0.25rem;
    font-family: 'neusanstrial', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.glossary-resource-card .resource-description {
    font-size: 0.8125rem;
    color: var(--glossary-gray-600);
    margin: 0;
    line-height: 1.55;
}

/* Tablet and up */
@media (min-width: 640px) {
    .glossary-resources {
        padding: 2.5rem 0;
    }

    .glossary-resources__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }

    .glossary-resource-card {
        padding: 1.5rem;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .glossary-resources {
        padding: 3rem 0;
    }

    .glossary-resources__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Mobile container padding */
@media (max-width: 768px) {
    .glossary-hero__container,
    .glossary-terms__container,
    .glossary-resources__container {
        padding: 0 1.5rem;
    }
}

/* ==========================================
   NO RESULTS STATE
   ========================================== */

.glossary-no-results {
    text-align: center;
    padding: 3rem 1.5rem;
    display: none;
}

.glossary-no-results.visible {
    display: block;
}

.glossary-no-results__icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.glossary-no-results__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

.glossary-no-results__text {
    font-size: 1rem;
    color: #6b7280;
}

/* ==========================================
   BACK TO TOP BUTTON
   ========================================== */

.glossary-back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: #000000;
    color: #ffffff;
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 100;
}

.glossary-back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.glossary-back-to-top:hover {
    background: #d1fe17;
    color: #000000;
}