/* lib/styles/pages/glossary_page.css */

.glossary-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--color-paper-white, #F7F7F5);
}

/* =========================================
   Hero Section
   ========================================= */
.glossary__hero {
    padding: 100px 0 80px;
    background: linear-gradient(135deg, var(--color-justice-blue, #1F3D63) 0%, #112236 50%, var(--color-guidance-teal, #1D7670) 100%);
    position: relative;
    overflow: hidden;
    text-align: center;
    color: #FFFFFF;
}

.glossary__hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 30%, rgba(29, 118, 112, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(241, 178, 70, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.glossary__hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
}

.glossary__title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 16px 0;
}

.glossary__subtitle {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    margin: 0 auto 32px auto;
}

.glossary__search-wrapper {
    display: flex;
    align-items: center;
    background-color: #FFFFFF;
    border-radius: 8px;
    padding: 8px 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    transition: box-shadow var(--transition-fast);
}

.glossary__search-wrapper:focus-within {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.24);
    outline: var(--focus-outline);
    outline-offset: 2px;
}

.glossary__search-input {
    flex: 1;
    border: none;
    padding: 16px 12px;
    font-size: 16px;
    font-family: var(--font-body);
    color: var(--color-neutral-navy, #102030);
    background: transparent;
}

.glossary__search-input:focus {
    outline: none;
}

.glossary__search-input::placeholder {
    color: var(--color-mid-grey, #9B9B93);
}

/* =========================================
   Content Layout
   ========================================= */
.glossary__content {
    padding: 48px 0 120px;
}

.glossary__filters {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
    padding: 24px;
    background-color: #FFFFFF;
    border: 1px solid var(--color-light-grey, #E0E0DC);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(16, 32, 48, 0.03);
}

.glossary__filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.glossary__filters-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-justice-blue, #1F3D63);
}

.glossary__clear-btn {
    border: none;
    background: transparent;
    color: var(--color-guidance-teal, #1D7670);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    padding: 0;
}

.glossary__clear-btn:hover,
.glossary__clear-btn:focus {
    text-decoration: underline;
}

.glossary__alphabet {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.glossary__alphabet-btn {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: 999px;
    border: 1px solid var(--color-light-grey, #E0E0DC);
    background-color: #FFFFFF;
    color: var(--color-justice-blue, #1F3D63);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.glossary__alphabet-btn:hover,
.glossary__alphabet-btn:focus-visible {
    border-color: var(--color-guidance-teal, #1D7670);
    color: var(--color-guidance-teal, #1D7670);
}

.glossary__alphabet-btn--active {
    background-color: var(--color-guidance-teal, #1D7670);
    border-color: var(--color-guidance-teal, #1D7670);
    color: #FFFFFF;
}

.glossary__list {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.glossary__letter-group {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.glossary__letter-heading {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-justice-blue, #1F3D63);
    margin: 0;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-light-grey, #E0E0DC);
}

.glossary__dl {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.glossary__term-card {
    background-color: #FFFFFF;
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--color-light-grey, #E0E0DC);
    box-shadow: 0 4px 16px rgba(16, 32, 48, 0.03);
    /* Minimal motion constraint: focus primarily on border and subtle shadow[cite: 8] */
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.glossary__term-card:hover {
    border-color: var(--color-guidance-teal, #1D7670);
    box-shadow: 0 8px 24px rgba(29, 118, 112, 0.08);
}

.glossary__term-title {
    font-size: 22px;
    line-height: 1.4;
    font-weight: 700;
    color: var(--color-justice-blue, #1F3D63);
    margin: 0 0 16px 0;
}

.glossary__term-body {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.glossary__term-definition {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-neutral-navy, #102030);
    opacity: 0.85;
    margin: 0;
}

.glossary__term-example {
    background-color: rgba(29, 118, 112, 0.05);
    border-left: 4px solid var(--color-guidance-teal, #1D7670);
    padding: 16px 20px;
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-neutral-navy, #102030);
    border-radius: 0 8px 8px 0;
}

.glossary__example-label {
    font-weight: 600;
    color: var(--color-justice-blue, #1F3D63);
}

/* =========================================
   Empty State
   ========================================= */
.glossary__empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 24px;
    background-color: #FFFFFF;
    border: 2px dashed var(--color-light-grey, #E0E0DC);
    border-radius: 12px;
    gap: 16px;
}

.glossary__empty-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-justice-blue, #1F3D63);
    margin: 0;
}

.glossary__empty-text {
    font-size: 16px;
    color: var(--color-neutral-navy, #102030);
    opacity: 0.8;
    margin: 0 0 16px 0;
}

/* =========================================
   Animations & Responsive
   ========================================= */

@media (max-width: 768px) {
    .glossary__hero {
        padding: 64px 0 80px;
    }

    .glossary__content {
        padding: 32px 0 80px;
    }

    .glossary__filters {
        padding: 20px;
    }

    .glossary__term-card {
        padding: 24px;
    }

    .glossary__alphabet {
        gap: 8px;
    }

    .glossary__alphabet-btn {
        min-width: 36px;
        height: 36px;
        font-size: 13px;
        padding: 0 10px;
    }
}