/* ==========================================================================
   TUVAL BAŞLANGIÇ KARTLARI (CANVAS ZERO / EMPTY STATE)
   Emlak Stüdyom v7.0 - Tasarım Sistemi Uyumlu
   ========================================================================== */

.canvas-empty-state {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 60;
    pointer-events: none;
    background: radial-gradient(circle at center, rgba(15, 23, 42, 0.45) 0%, rgba(10, 15, 29, 0.8) 100%);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 1;
    visibility: visible;
    transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.28s ease;
    user-select: none;
}

/* Fotoğraf veya şablon aktif olduğunda tamamen gizle */
.canvas-empty-state.is-hidden {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    display: none !important;
}

/* Sürükle - Bırak anında aktif görsel vurgusu */
.canvas-empty-state.drag-over {
    background: radial-gradient(circle at center, rgba(14, 165, 233, 0.2) 0%, rgba(15, 23, 42, 0.85) 100%) !important;
    outline: 2px dashed #00cec9;
    outline-offset: -8px;
}

.canvas-empty-state.drag-over .empty-state-badge {
    border-color: #00cec9;
    color: #00cec9;
    transform: scale(1.05);
}

/* Üst Rozet & Başlık Alanı */
.empty-state-header {
    text-align: center;
    margin-bottom: 22px;
    max-width: 580px;
    pointer-events: auto;
}

.empty-state-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 4px 12px;
    border-radius: 20px;
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.3);
    color: #38bdf8;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 10px;
    transition: all 0.2s ease;
}

.empty-state-title {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: #f8fafc;
    letter-spacing: -0.3px;
    margin: 0 0 6px 0;
    line-height: 1.3;
}

.empty-state-sub {
    font-size: 12.5px;
    color: #94a3b8;
    margin: 0;
    line-height: 1.45;
}

/* 3 Başlangıç Kartı Izgarası */
.empty-state-cards {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 16px;
    max-width: 660px;
    width: 100%;
    pointer-events: auto;
}

/* Tekil Kart Yapısı (Zarif Outline / Glassmorphism) */
.empty-card {
    flex: 1;
    min-width: 160px;
    max-width: 210px;
    background: rgba(30, 41, 59, 0.55);
    border: 1.5px dashed rgba(148, 163, 184, 0.35);
    border-radius: 12px;
    padding: 20px 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    cursor: pointer;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    outline: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.empty-card:hover {
    background: rgba(30, 41, 59, 0.85);
    border-color: #38bdf8;
    border-style: solid;
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(56, 189, 248, 0.2);
}

.empty-card:active {
    transform: translateY(-1px);
}

/* Kart İkon Çemberi */
.empty-card-icon {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    color: #38bdf8;
    font-size: 18px;
    transition: all 0.2s ease;
}

.empty-card-icon i {
    font-size: 20px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.empty-card:hover .empty-card-icon {
    background: #0284c7;
    border-color: #38bdf8;
    color: #ffffff;
    transform: scale(1.08);
}

/* Kart Başlık ve Açıklaması */
.empty-card-title {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 13.5px;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 6px;
    letter-spacing: -0.2px;
}

.empty-card-desc {
    font-size: 11px;
    color: #94a3b8;
    line-height: 1.4;
}

/* Sürükle Bırak Hatırlatıcısı */
.empty-state-footer {
    margin-top: 18px;
    font-size: 11px;
    color: #64748b;
    display: flex;
    align-items: center;
    gap: 6px;
    pointer-events: auto;
}

.empty-state-footer i {
    font-size: 10px;
    color: #38bdf8;
}

/* ==========================================================================
   AÇIK TEMA (LIGHT THEME) UYUMLULUĞU
   ========================================================================== */
body[data-theme="light"] .canvas-empty-state {
    background: radial-gradient(circle at center, rgba(248, 250, 252, 0.7) 0%, rgba(226, 232, 240, 0.88) 100%);
}

body[data-theme="light"] .empty-state-badge {
    background: rgba(2, 132, 199, 0.08);
    border-color: rgba(2, 132, 199, 0.25);
    color: #0284c7;
}

body[data-theme="light"] .empty-state-title {
    color: #0f172a;
}

body[data-theme="light"] .empty-state-sub {
    color: #475569;
}

body[data-theme="light"] .empty-card {
    background: rgba(255, 255, 255, 0.9);
    border-color: #cbd5e1;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
}

body[data-theme="light"] .empty-card:hover {
    background: #ffffff;
    border-color: #0284c7;
    box-shadow: 0 10px 25px rgba(2, 132, 199, 0.15);
}

body[data-theme="light"] .empty-card-icon {
    background: rgba(2, 132, 199, 0.08);
    border-color: rgba(2, 132, 199, 0.2);
    color: #0284c7;
}

body[data-theme="light"] .empty-card-title {
    color: #0f172a;
}

body[data-theme="light"] .empty-card-desc {
    color: #64748b;
}

body[data-theme="light"] .empty-state-footer {
    color: #64748b;
}

body[data-theme="light"] .empty-state-footer i {
    color: #0284c7;
}

/* ==========================================================================
   RESPONSIVE (MOBİLDE TUVAL BAŞLANGIÇ KARTLARINI DÜZENLE)
   ========================================================================== */
@media (max-width: 768px) {
    .canvas-empty-state,
    #canvasEmptyState {
        padding: 12px 10px !important;
        justify-content: flex-start !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
    }
    .empty-state-header {
        margin-bottom: 10px !important;
    }
    .empty-state-badge {
        padding: 3px 8px !important;
        font-size: 10.5px !important;
        margin-bottom: 6px !important;
    }
    .empty-state-title {
        font-size: 15px !important;
        line-height: 1.25 !important;
    }
    .empty-state-sub {
        font-size: 11px !important;
        margin-top: 3px !important;
        line-height: 1.3 !important;
    }
    .empty-state-cards {
        flex-direction: column !important;
        gap: 8px !important;
        width: 100% !important;
        max-width: 320px !important;
    }
    .empty-card {
        padding: 10px 14px !important;
        flex-direction: row !important;
        align-items: center !important;
        text-align: left !important;
        gap: 12px !important;
        min-height: auto !important;
    }
    .empty-card-icon {
        width: 34px !important;
        height: 34px !important;
        min-width: 34px !important;
        font-size: 15px !important;
        margin-bottom: 0 !important;
    }
    .empty-card-title {
        font-size: 12.5px !important;
        margin-bottom: 2px !important;
    }
    .empty-card-desc {
        font-size: 10px !important;
        line-height: 1.25 !important;
    }
    .empty-state-footer {
        margin-top: 8px !important;
        font-size: 10px !important;
        padding-bottom: 12px !important;
    }
}