/**
 * YZ Merkezi — Etkinlik Takvimi & Gündem Stilleri (events.css)
 * Mimari Kurallar: Sıfır renk literali, CSS Custom Properties standardı.
 * Tasarım Referansı: Ekosistem Haritası (ecosystem.css) minimal ve kompakt stili.
 */

/* Container Kapsayıcı */
.ev-container {
    max-width: 1120px;
    margin: 0 auto;
}

/* Metric Counter Cards */
.ev-metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .ev-metrics-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1rem;
    }
}

.ev-metric-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md, 8px);
    padding: 1.25rem 1rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.ev-metric-value {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--color-brand);
    line-height: 1.2;
    margin-bottom: 0.25rem;
    font-variant-numeric: tabular-nums;
}

.ev-metric-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* Filters Bar */
.ev-filter-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg, 12px);
    padding: 1.25rem;
    margin-bottom: 1.75rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Type Pills */
.ev-type-pills {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
}

.ev-type-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-md, 8px);
    font-size: 0.8125rem;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    background: var(--color-surface-subtle);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    transition: all 0.2s ease;
}

.ev-type-pill:hover {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border-strong);
}

.ev-type-pill.active {
    background: var(--color-brand-soft);
    color: var(--color-brand);
    border-color: var(--color-brand-border);
    font-weight: 600;
}

.ev-type-pill .bi {
    font-size: 0.875rem;
}

.ev-pill-count {
    font-size: 0.6875rem;
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-pill, 9999px);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

.ev-type-pill.active .ev-pill-count {
    background: var(--color-surface);
    color: var(--color-brand);
    border-color: var(--color-brand-border-soft);
}

/* Subrow: Format and Search */
.ev-filter-subrow {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-top: 0.875rem;
    border-top: 1px solid var(--color-border);
}

@media (min-width: 768px) {
    .ev-filter-subrow {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.ev-format-filters {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
}

.ev-format-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-right: 0.25rem;
    flex-shrink: 0;
}

.ev-format-btn {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-sm, 6px);
    background: transparent;
    border: 1px solid transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s ease;
}

.ev-format-btn:hover {
    color: var(--color-text);
    background: var(--color-surface-subtle);
}

.ev-format-btn.active {
    background: var(--color-brand-soft);
    color: var(--color-brand);
    border-color: var(--color-brand-border-soft);
    font-weight: 600;
}

.ev-search-wrapper {
    position: relative;
    width: 100%;
}

@media (min-width: 768px) {
    .ev-search-wrapper {
        width: 280px;
    }
}

.ev-search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    pointer-events: none;
}

.ev-search-input {
    width: 100%;
    padding: 0.5rem 0.75rem 0.5rem 2.25rem;
    font-size: 0.8125rem;
    border-radius: var(--radius-md, 8px);
    border: 1px solid var(--color-border);
    background: var(--color-surface-subtle);
    color: var(--color-text);
    outline: none;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.ev-search-input:focus {
    border-color: var(--color-brand);
    background: var(--color-surface);
}

/* Event Cards Grid */
.ev-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .ev-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
}

.ev-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg, 12px);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.ev-card:hover {
    border-color: var(--color-border-strong);
    transform: translateY(-1px);
}

.ev-card__top {
    margin-bottom: 0.75rem;
}

.ev-card__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.ev-card__title-wrap {
    min-width: 0;
}

.ev-card__name-line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.ev-card__name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
    line-height: 1.35;
}

.ev-card__name a {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.15s ease;
}

.ev-card__name a:hover {
    color: var(--color-brand);
}

.ev-card__meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Type Tags */
.ev-type-tag {
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm, 6px);
    white-space: nowrap;
    display: inline-block;
}

.ev-type-tag--conference {
    background: var(--color-brand-soft);
    color: var(--color-brand);
    border: 1px solid var(--color-brand-border-soft);
}

.ev-type-tag--hackathon {
    background: var(--color-surface-subtle);
    color: var(--color-text);
    border: 1px solid var(--color-border-strong);
}

.ev-type-tag--workshop {
    background: var(--color-brand-soft);
    color: var(--color-brand-action);
    border: 1px solid var(--color-brand-border);
}

.ev-type-tag--webinar {
    background: var(--color-surface-subtle);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.ev-card__desc {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0.625rem 0;
}

.ev-card__info-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    padding-top: 0.5rem;
    border-top: 1px dashed var(--color-border);
}

.ev-card__info-item {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.ev-card__format-tag {
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm, 6px);
    background: var(--color-surface-subtle);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.ev-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0.75rem;
    margin-top: 0.75rem;
    border-top: 1px solid var(--color-border);
}

.ev-card__attendees {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.ev-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-success, var(--color-brand));
    display: inline-block;
}

.ev-card__actions {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.ev-card__link {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-brand);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm, 6px);
    transition: all 0.15s ease;
}

.ev-card__link:hover {
    background: var(--color-brand-soft);
}

.ev-card__reg-btn {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-sm, 6px);
    background: var(--color-surface-subtle);
    border: 1px solid var(--color-border);
    transition: all 0.15s ease;
}

.ev-card__reg-btn:hover {
    color: var(--color-text);
    border-color: var(--color-border-strong);
    background: var(--color-surface);
}

/* Empty State */
.ev-empty {
    grid-column: 1 / -1;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg, 12px);
    padding: 3rem 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.ev-empty__icon {
    font-size: 2.25rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.ev-empty__title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.ev-empty__desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    max-width: 420px;
    margin: 0 auto 1.25rem;
}

.ev-empty__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md, 8px);
    background: var(--color-brand-soft);
    color: var(--color-brand);
    border: 1px solid var(--color-brand-border);
    cursor: pointer;
    transition: all 0.15s ease;
}

.ev-empty__btn:hover {
    background: var(--color-brand);
    color: var(--color-surface);
}

/* ============================================================
   Detay Sayfası Stilleri (/etkinlikler/{slug})
   ============================================================ */

.ev-detail-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg, 12px);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.ev-detail-badges {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.ev-status-badge {
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm, 6px);
    background: var(--color-surface-subtle);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.ev-section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.ev-detail-text {
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--color-text-secondary);
}

.ev-detail-text p {
    margin-bottom: 0.75rem;
}

.ev-detail-text p:last-child {
    margin-bottom: 0;
}

.ev-detail-tags-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.ev-tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm, 6px);
    background: var(--color-surface-subtle);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

/* Sidebar Info Card */
.ev-sidebar-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg, 12px);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 80px;
}

.ev-sidebar-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-top: 0;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.ev-info-list {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.ev-info-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.ev-info-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm, 6px);
    background: var(--color-surface-subtle);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    color: var(--color-brand);
    flex-shrink: 0;
}

.ev-info-label {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
    display: block;
    line-height: 1.2;
}

.ev-info-val {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text);
    display: block;
    line-height: 1.35;
    margin-top: 0.125rem;
}

.ev-register-box {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
}

.ev-register-note {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    line-height: 1.35;
    margin-top: 0.5rem;
}

/* Compact Card for Related Events */
.ev-card--compact {
    padding: 1rem;
}

.ev-card--compact .ev-card__name {
    font-size: 0.875rem;
}