/* ================================================
   CANVA-STYLE UNIVERSITY EVENT DESIGN
   مناقشات الأطروحة + الأنشطة والفعاليات
   v2.0.0
   ================================================ */

:root {
    --canva-brand: #6C4CF1;
    --canva-brand-dark: #4f35c4;
    --canva-brand-light: #ede9fe;
    --canva-ink: #0f172a;
    --canva-muted: #64748b;
    --canva-surface: #f8fafc;
    --canva-radius: 22px;
    --canva-font-display: 'Tajawal', 'Cairo', sans-serif;
    --canva-font-body: 'Cairo', 'Tajawal', sans-serif;
}

/* Hide duplicate close on activity modal — close lives on hero */
#details-view-modal .details-modal-content > .close-modal {
    display: none !important;
}

#details-view-modal .canva-event-hero__close {
    display: flex !important;
}

/* ── Modal shells — تمرير موحّد (الصورة + التفاصيل معاً) ── */
#details-view-modal .modal-content.glass.details-modal-content,
#thesis-discussion-details-modal .modal-content.glass.td-modal-shell,
.canva-modal-shell {
    background: #ffffff !important;
    border: none !important;
    border-radius: var(--canva-radius) !important;
    box-shadow:
        0 32px 90px rgba(15, 23, 42, 0.2),
        0 10px 28px rgba(108, 76, 241, 0.08) !important;
    padding: 0 !important;
    max-width: 860px !important;
    width: 100%;
    display: flex !important;
    flex-direction: column !important;
    max-height: min(92vh, 920px) !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    scroll-behavior: smooth;
    touch-action: pan-y;
    animation: canvaModalIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

@keyframes canvaModalIn {
    from { opacity: 0; transform: translateY(28px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

#details-view-modal.modal,
#thesis-discussion-details-modal.modal {
    align-items: center !important;
    justify-content: center !important;
    overflow: hidden !important;
    padding: 20px 16px !important;
}

#thesis-discussion-details-modal .td-modal-scroll-body,
#details-view-modal #details-content-area,
.canva-event-modal {
    display: flex;
    flex-direction: column;
    flex: none;
    overflow: visible !important;
    max-height: none !important;
}

#thesis-discussion-details-modal .td-modal-scroll-body {
    overflow: visible !important;
    max-height: none !important;
}

/* ── Hero — صورة فقط بدون نص ── */
.canva-event-hero,
#thesis-discussion-details-modal .canva-event-hero,
#details-view-modal .canva-event-hero {
    position: relative;
    width: 100%;
    height: clamp(240px, 36vh, 360px);
    min-height: 240px;
    overflow: hidden;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #6C4CF1 100%);
    flex-shrink: 0;
}

.canva-event-hero__img,
#td-modal-banner.canva-event-hero__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: saturate(1.08) contrast(1.02);
    transition: transform 0.6s ease;
}

.canva-event-modal:hover .canva-event-hero__img,
#thesis-discussion-details-modal:hover .canva-event-hero__img {
    transform: scale(1.03);
}

.canva-event-hero__fade {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.15) 0%, transparent 35%),
        linear-gradient(0deg, #ffffff 0%, rgba(255, 255, 255, 0.92) 18%, transparent 55%);
}

.canva-event-hero__badge,
#td-modal-badge.canva-event-hero__badge {
    position: absolute;
    top: 18px;
    right: 18px;
    z-index: 3;
    padding: 9px 20px;
    border-radius: 999px;
    font-family: var(--canva-font-display);
    font-size: 0.88rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--canva-brand), #a855f7);
    box-shadow: 0 8px 24px rgba(108, 76, 241, 0.45);
    letter-spacing: 0.02em;
}

.canva-event-hero__close,
#thesis-discussion-details-modal .canva-event-hero__close,
#details-view-modal .canva-event-hero__close {
    position: sticky !important;
    top: 14px !important;
    left: 14px !important;
    right: auto !important;
    align-self: flex-start;
    margin: 14px 14px -46px !important;
    z-index: 30 !important;
    width: 46px !important;
    height: 46px !important;
    border-radius: 50% !important;
    background: rgba(15, 23, 42, 0.45) !important;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1.5px solid rgba(255, 255, 255, 0.35) !important;
    color: #fff !important;
    font-size: 1.6rem !important;
    line-height: 1 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.canva-event-hero__close:hover,
#details-view-modal .close-modal:hover {
    background: rgba(15, 23, 42, 0.75) !important;
    transform: scale(1.08) rotate(90deg);
}

/* ── Body ── */
.canva-event-body {
    background: #ffffff;
    padding: 0 40px 40px;
    font-family: var(--canva-font-body);
    direction: rtl;
    text-align: right;
}

.canva-event-brand-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: -22px auto 28px;
    position: relative;
    z-index: 2;
    width: fit-content;
    max-width: 92%;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--canva-brand), #8b5cf6);
    color: #fff;
    border-radius: 999px;
    font-family: var(--canva-font-display);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    box-shadow: 0 10px 30px rgba(108, 76, 241, 0.35);
    white-space: nowrap;
}

.canva-event-brand-strip [data-lucide] {
    width: 18px;
    height: 18px;
    stroke: #fff;
    flex-shrink: 0;
}

/* ── Header ── */
.canva-event-header {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 28px;
    border-bottom: 1px solid #eef2f7;
}

.canva-event-type {
    display: inline-block;
    padding: 6px 16px;
    margin-bottom: 14px;
    border-radius: 8px;
    background: var(--canva-brand-light);
    color: var(--canva-brand-dark);
    font-family: var(--canva-font-display);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.canva-event-title,
#td-modal-title.canva-event-title {
    margin: 0 0 12px !important;
    font-family: var(--canva-font-display) !important;
    font-size: clamp(1.5rem, 4vw, 2.1rem) !important;
    font-weight: 800 !important;
    line-height: 1.45 !important;
    color: var(--canva-ink) !important;
    text-shadow: none !important;
    letter-spacing: -0.01em;
}

.canva-event-subtitle,
#td-modal-subtitle.canva-event-subtitle {
    margin: 0 !important;
    font-size: 1.05rem !important;
    font-weight: 600 !important;
    color: var(--canva-muted) !important;
    line-height: 1.7 !important;
    max-width: 640px;
    margin-inline: auto !important;
}

/* ── Meta cards grid ── */
.canva-event-meta,
.event-poster-meta-grid.canva-event-meta {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 14px !important;
    margin-bottom: 32px !important;
    padding: 0 !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

.canva-meta-card,
.event-poster-meta-item.canva-meta-card {
    display: flex !important;
    align-items: center !important;
    gap: 14px !important;
    padding: 18px 20px !important;
    background: var(--canva-surface) !important;
    border: 1px solid #e8ecf4 !important;
    border-radius: 16px !important;
    transition: all 0.3s ease;
}

.canva-meta-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(108, 76, 241, 0.1);
    border-color: #c4b5fd !important;
    background: #fff !important;
}

.canva-meta-card__icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--canva-brand), #8b5cf6);
    box-shadow: 0 6px 16px rgba(108, 76, 241, 0.3);
}

.canva-meta-card__icon [data-lucide],
.event-poster-meta-item.canva-meta-card > [data-lucide] {
    width: 22px !important;
    height: 22px !important;
    color: #fff !important;
    stroke: #fff !important;
    background: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.canva-meta-card__text {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.canva-meta-card__label,
.event-poster-meta-label {
    font-size: 0.75rem !important;
    font-weight: 700 !important;
    color: #94a3b8 !important;
    letter-spacing: 0.03em;
    margin: 0 !important;
}

.canva-meta-card__value,
.event-poster-meta-value,
#td-modal-date, #td-modal-time, #td-modal-location, #td-modal-organizer {
    font-family: var(--canva-font-display) !important;
    font-size: 1rem !important;
    font-weight: 800 !important;
    color: var(--canva-ink) !important;
    line-height: 1.4 !important;
    margin: 0 !important;
    word-break: break-word;
}

/* ── Description block ── */
.canva-event-desc,
.event-poster-section.canva-event-desc {
    margin-bottom: 28px !important;
    padding: 24px 28px;
    background: linear-gradient(135deg, #fafbff 0%, #f8fafc 100%);
    border-radius: 18px;
    border: 1px solid #e8ecf4;
    border-right: 4px solid var(--canva-brand);
}

.canva-event-desc__title,
.event-poster-section__title.canva-event-desc__title {
    margin: 0 0 14px !important;
    font-family: var(--canva-font-display) !important;
    font-size: 1.1rem !important;
    font-weight: 800 !important;
    color: var(--canva-ink) !important;
    border: none !important;
    padding: 0 !important;
    display: block !important;
}

.canva-event-desc__title::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--canva-brand);
    border-radius: 50%;
    margin-left: 8px;
    vertical-align: middle;
}

.canva-event-desc__text,
.event-poster-section__text,
#td-modal-desc {
    font-size: 1.02rem !important;
    line-height: 2 !important;
    color: #475569 !important;
    font-weight: 500 !important;
    white-space: pre-wrap;
    margin: 0 !important;
}

/* ── Action buttons ── */
.canva-event-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 24px;
    border-top: 1px solid #eef2f7;
    margin-top: 8px;
}

.canva-event-actions .btn-primary,
.canva-event-actions .btn-secondary,
#thesis-discussion-details-modal .btn-primary,
#thesis-discussion-details-modal .btn-secondary {
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 13px 24px !important;
    border-radius: 14px !important;
    font-family: var(--canva-font-display) !important;
    font-weight: 800 !important;
    font-size: 0.92rem !important;
    text-decoration: none !important;
    transition: all 0.3s ease !important;
}

.canva-event-actions .btn-primary,
#thesis-discussion-details-modal .btn-primary {
    background: linear-gradient(135deg, var(--canva-brand), #8b5cf6) !important;
    color: #fff !important;
    border: none !important;
    box-shadow: 0 8px 24px rgba(108, 76, 241, 0.35) !important;
}

.canva-event-actions .btn-primary:hover,
#thesis-discussion-details-modal .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 36px rgba(108, 76, 241, 0.45) !important;
}

/* ── Video & Gallery ── */
#td-modal-video-wrapper {
    border-radius: 16px !important;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12) !important;
}

#td-modal-gallery-grid img {
    border-radius: 14px !important;
    border: 2px solid #eef2f7 !important;
    height: 130px !important;
    object-fit: cover;
    transition: all 0.3s ease;
}

#td-modal-gallery-grid img:hover {
    transform: scale(1.04);
    border-color: var(--canva-brand) !important;
    box-shadow: 0 8px 24px rgba(108, 76, 241, 0.2);
}

/* ================================================
   LANDING PAGE CARDS — Canva Magazine Style
   ================================================ */
.canva-event-card {
    border-radius: 20px;
    overflow: hidden;
    background: #fff;
    border: 1px solid #e8ecf4;
    box-shadow: 0 6px 24px rgba(15, 23, 42, 0.06);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.canva-event-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 24px 56px rgba(108, 76, 241, 0.15);
    border-color: #c4b5fd;
}

.canva-event-card__media {
    position: relative;
    height: 240px;
    overflow: hidden;
    cursor: pointer;
    background: #1e1b4b;
}

.canva-event-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.canva-event-card:hover .canva-event-card__media img {
    transform: scale(1.06);
}

.canva-event-card__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.15) 0%, transparent 38%),
        linear-gradient(0deg, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.35) 50%, transparent 78%);
    pointer-events: none;
}

/* شريط العنوان — مربع أسود شفاف ونص أبيض واضح */
.canva-event-card__title-bar {
    position: absolute;
    bottom: 0;
    right: 0;
    left: 0;
    z-index: 3;
    padding: 14px 16px 16px;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.72) 75%, rgba(0, 0, 0, 0.35) 100%);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    pointer-events: none;
}

.canva-event-card__title-on-img,
.canva-event-card__media h3.canva-event-card__title-on-img,
.canva-event-card .canva-event-card__media .canva-event-card__title-on-img,
#landing-activities-grid .canva-event-card__title-on-img,
#landing-thesis-discussions-grid .canva-event-card__title-on-img,
#full-activities-grid .canva-event-card__title-on-img {
    position: static !important;
    margin: 0 !important;
    padding: 0 !important;
    font-family: var(--canva-font-display) !important;
    font-size: 1.08rem !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    line-height: 1.55 !important;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6) !important;
    cursor: pointer;
    pointer-events: auto;
    background: transparent !important;
    border: none !important;
}

.canva-event-card__date {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    padding: 8px 14px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--canva-brand), #8b5cf6);
    color: #fff;
    font-family: var(--canva-font-display);
    font-size: 0.82rem;
    font-weight: 800;
    box-shadow: 0 6px 18px rgba(108, 76, 241, 0.4);
    line-height: 1.3;
    text-align: center;
}

.canva-event-card__date small {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    opacity: 0.9;
}

.canva-event-card__badge {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    color: var(--canva-brand-dark);
    font-family: var(--canva-font-display);
    font-size: 0.78rem;
    font-weight: 800;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.canva-event-card__body {
    padding: 20px 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 12px;
}

.canva-event-card__meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.canva-event-card__meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    background: var(--canva-surface);
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--canva-muted);
    border: 1px solid #eef2f7;
}

.canva-event-card__meta-chip [data-lucide] {
    width: 14px;
    height: 14px;
    color: var(--canva-brand);
    stroke: var(--canva-brand);
}

.canva-event-card__excerpt {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.75;
    color: var(--canva-muted);
    flex: 1;
}

.canva-event-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid #f1f5f9;
    margin-top: auto;
}

.canva-event-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0;
    border: none;
    background: none;
    color: var(--canva-brand);
    font-family: var(--canva-font-display);
    font-size: 0.9rem;
    font-weight: 800;
    cursor: pointer;
    transition: gap 0.25s ease;
}

.canva-event-card__cta:hover {
    gap: 10px;
    color: var(--canva-brand-dark);
}

.canva-event-card__attach {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    font-weight: 700;
    color: #ef4444;
    text-decoration: none;
}

/* Legacy card upgrade */
.premium-card.activity-card,
.thesis-event-card {
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
    padding: 0 !important;
}

/* Section headers on landing */
#activities .section-header h2,
#thesis-discussions-section .section-header h2 {
    font-family: var(--canva-font-display) !important;
    font-weight: 800 !important;
    letter-spacing: -0.02em;
}

/* ── Mobile ── */
@media (max-width: 768px) {
    #details-view-modal .modal-content,
    #thesis-discussion-details-modal .modal-content {
        border-radius: 20px 20px 0 0 !important;
        max-width: 100% !important;
        margin: auto 0 0 0 !important;
        max-height: 96vh !important;
    }

    .canva-event-body {
        padding: 0 20px 28px;
    }

    .canva-event-brand-strip {
        font-size: 0.72rem;
        padding: 10px 18px;
        margin-top: -18px;
        white-space: normal;
        text-align: center;
    }

    .canva-event-meta,
    .event-poster-meta-grid.canva-event-meta {
        grid-template-columns: 1fr !important;
    }

    .canva-event-hero,
    #thesis-discussion-details-modal .canva-event-hero {
        height: clamp(200px, 42vw, 280px);
        min-height: 200px;
    }

    .canva-event-card__title-bar {
        padding: 12px 14px 14px;
    }

    .canva-event-card__title-on-img {
        font-size: 1rem !important;
    }

    .canva-event-card__media {
        height: 210px;
    }

    .canva-event-card__title-on-img {
        font-size: 1.05rem;
        padding: 16px 14px 14px;
    }
}

@media (max-width: 480px) {
    .canva-event-title,
    #td-modal-title.canva-event-title {
        font-size: 1.35rem !important;
    }
}