/* ============================================
   MAIN.CSS — Core variables, reset, layout
   ============================================ */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg-dark:      #0f0f13;
    --panel-bg:     #1a1a2e;
    --card-bg:      #16213e;
    --accent-purple:#6750A4;
    --accent-teal:  #03DAC5;
    --accent-gold:  #FFD700;
    --text-white:   #ffffff;
    --text-gray:    #CAC4D0;
    --border-color: #2d2d4a;
    --input-bg:     #0d0d1a;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-dark);
    color: var(--text-white);
    min-height: 100vh;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

html {
    overflow: hidden;
    height: 100vh;
}

/* ===== TOP NAV ===== */
.top-nav {
    background: var(--panel-bg);
    border-bottom: 2px solid var(--accent-purple);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 56px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
}

.nav-logo span {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-actions { display: flex; gap: 10px; }

/* ===== BUTTONS ===== */
.btn {
    padding: 8px 18px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), #9c27b0);
    color: white;
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(103,80,164,0.4);
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-white);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    border-color: var(--accent-teal);
    color: var(--accent-teal);
}

.btn-success {
    background: linear-gradient(135deg, #03DAC5, #00897b);
    color: #000;
    font-weight: 700;
}
.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(3,218,197,0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #e53935, #b71c1c);
    color: white;
}

.sm-btn { padding: 5px 10px; font-size: 11px; }
.full-width { width: 100%; justify-content: center; }
.mt-10 { margin-top: 10px; }

/* ===== MAIN LAYOUT ===== */
.main-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    flex: 1;
    height: calc(100vh - 56px);
    overflow: hidden;
}

/* ===== CANVAS AREA ===== */
.right-panel {
    display: flex;
    flex-direction: column;
    background: #0a0a0f;
    overflow: hidden;
}

.canvas-toolbar {
    background: var(--panel-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 44px;
    flex-wrap: wrap;
    gap: 8px;
}

.canvas-info {
    font-size: 11px;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 14px;
}

.zoom-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.zoom-btn {
    width: 28px; height: 28px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: white;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zoom-value {
    font-size: 12px;
    color: var(--text-gray);
    min-width: 40px;
    text-align: center;
}

.canvas-area {
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    overflow: auto;
    padding: 30px;
    background: repeating-conic-gradient(
        #1a1a2e 0% 25%, #0f0f13 0% 50%
    ) 0 0 / 20px 20px;
}

.canvas-wrapper {
    transform-origin: center center;
    transition: transform 0.15s;
}

#bannerCanvas {
    width: 1200px;
    height: 627px;
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.8);
    font-family: 'Segoe UI', system-ui, sans-serif;
}

/* ===== STATUS BAR ===== */
.status-bar {
    background: var(--panel-bg);
    border-top: 1px solid var(--border-color);
    padding: 6px 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 11px;
    color: var(--text-gray);
}

.status-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent-teal);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.3; }
}

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}
.modal-overlay.show { display: flex; }

.modal {
    background: var(--panel-bg);
    border-radius: 14px;
    border: 1px solid var(--border-color);
    padding: 24px;
    max-width: 820px;
    width: 94%;
}

.modal-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--accent-teal);
}

.preview-img-wrap {
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 14px;
}

.preview-img-wrap img { width: 100%; display: block; }

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* ===== NOTIFICATION ===== */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg,
        var(--accent-purple), #9c27b0);
    color: white;
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    z-index: 3000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(103,80,164,0.5);
    pointer-events: none;
}
.notification.show {
    transform: translateY(0);
    opacity: 1;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===== CANVA EXPORT BUTTON ===== */
.btn-canva {
    background: linear-gradient(135deg, #7B2FF7, #00C4CC);
    color: white;
    font-weight: 700;
}
.btn-canva:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0,196,204,0.4);
}

/* ===== CANVA EXPORT MODAL CARDS ===== */
.canva-export-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}
.canva-export-card:hover {
    border-color: var(--accent-teal);
    background: rgba(3,218,197,0.05);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.canva-export-icon {
    font-size: 26px;
    flex-shrink: 0;
    width: 36px;
    text-align: center;
}

.canva-export-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 3px;
}

.canva-export-desc {
    font-size: 11px;
    color: var(--text-gray);
    line-height: 1.5;
}

.canva-export-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 9px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    background: linear-gradient(135deg, #7B2FF7, #00C4CC);
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}