/* ============================================================
   Ojoo Base64 Image Converter - Isolated Styles
   All selectors scoped to .base64-image-page
   ============================================================ */

.base64-image-page {
    position: relative;
    z-index: 1;
    clear: both;
    padding-bottom: 5rem;
    margin-bottom: 2rem;
    --b64-primary:      #0ea5e9;
    --b64-accent:       #6366f1;
    --b64-success:      #10b981;
    --b64-warning:      #f59e0b;
    --b64-danger:       #ef4444;
    --b64-card-bg:      #ffffff;
    --b64-card-border:  rgba(0,0,0,0.08);
    --b64-hover-border: #0ea5e9;
    --b64-text-primary: #212529;
    --b64-text-muted:   #6c757d;
    --b64-badge-bg:     rgba(14,165,233,0.1);
    --b64-drop-bg:      #f8fafc;
    --b64-drop-border:  #cbd5e1;
    --b64-code-bg:      #0f172a;
    --b64-code-color:   #bae6fd;
}

[data-bs-theme="dark"] .base64-image-page,
body.dark-mode .base64-image-page,
body.bg-dark .base64-image-page {
    --b64-card-bg:      #1e2430;
    --b64-card-border:  rgba(255,255,255,0.1);
    --b64-hover-border: #38bdf8;
    --b64-text-primary: #f8f9fa;
    --b64-text-muted:   #94a3b8;
    --b64-badge-bg:     rgba(14,165,233,0.2);
    --b64-drop-bg:      #161b26;
    --b64-drop-border:  #334155;
}

/* ── Page Header ────────────────────────────────────────── */
.base64-image-page .b64-header {
    background: linear-gradient(135deg, rgba(14,165,233,0.05) 0%, rgba(99,102,241,0.05) 100%);
    border-bottom: 1px solid var(--b64-card-border);
    padding: 2.5rem 0 2rem 0;
}

.base64-image-page .b64-breadcrumb {
    font-size: 0.875rem;
    color: var(--b64-text-muted);
    margin-bottom: 0.75rem;
}

.base64-image-page .b64-breadcrumb a {
    color: var(--b64-primary);
    text-decoration: none;
    font-weight: 500;
}
.base64-image-page .b64-breadcrumb a:hover { text-decoration: underline; }

.base64-image-page .b64-title {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--b64-primary) 0%, var(--b64-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.base64-image-page .b64-subtitle {
    font-size: 1.05rem;
    color: var(--b64-text-muted);
    max-width: 800px;
    margin-bottom: 0.5rem;
}

/* ── Mode Switcher ───────────────────────────────────────── */
.base64-image-page .b64-mode-bar {
    display: flex;
    background: var(--b64-drop-bg);
    border: 1px solid var(--b64-card-border);
    border-radius: 14px;
    padding: 5px;
    gap: 4px;
    width: fit-content;
}

.base64-image-page .b64-mode-btn {
    border: none;
    background: none;
    border-radius: 10px;
    padding: 0.55rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--b64-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.base64-image-page .b64-mode-btn:hover { color: var(--b64-primary); }

.base64-image-page .b64-mode-btn.active {
    background: var(--b64-primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(14,165,233,0.25);
}

/* ── Panels ──────────────────────────────────────────────── */
.base64-image-page .b64-panel {
    background: var(--b64-card-bg);
    border: 1px solid var(--b64-card-border);
    border-radius: 18px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    height: auto;
}

.base64-image-page .b64-panel.h-100 {
    height: 100%;
}

.base64-image-page .b64-panel-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--b64-text-primary);
    margin-bottom: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ── Dropzone ────────────────────────────────────────────── */
.base64-image-page .b64-dropzone {
    background: var(--b64-drop-bg);
    border: 2.5px dashed var(--b64-drop-border);
    border-radius: 18px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
}

.base64-image-page .b64-dropzone:hover,
.base64-image-page .b64-dropzone.dragover {
    border-color: var(--b64-primary);
    background: var(--b64-badge-bg);
}

.base64-image-page .b64-dropzone-icon {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: var(--b64-badge-bg);
    color: var(--b64-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.2rem;
    transition: transform 0.2s ease;
}

.base64-image-page .b64-dropzone:hover .b64-dropzone-icon {
    transform: scale(1.08);
}

/* ── Image Preview ───────────────────────────────────────── */
.base64-image-page .b64-preview-wrap {
    background: repeating-conic-gradient(#e2e8f0 0% 25%, transparent 0% 50%) 0 0 / 16px 16px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    overflow: hidden;
    position: relative;
}

[data-bs-theme="dark"] .base64-image-page .b64-preview-wrap,
body.dark-mode .base64-image-page .b64-preview-wrap {
    background: repeating-conic-gradient(#1e293b 0% 25%, #0f172a 0% 50%) 0 0 / 16px 16px;
}

.base64-image-page .b64-preview-wrap img {
    max-width: 100%;
    max-height: 250px;
    object-fit: contain;
}

/* ── File Info ───────────────────────────────────────────── */
.base64-image-page .b64-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.base64-image-page .b64-info-item {
    background: var(--b64-badge-bg);
    border-radius: 10px;
    padding: 0.5rem 0.7rem;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.base64-image-page .b64-info-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--b64-text-muted);
}

.base64-image-page .b64-info-val {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--b64-text-primary);
    word-break: break-all;
}

/* ── Stats Bar ───────────────────────────────────────────── */
.base64-image-page .b64-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

@media (max-width: 600px) {
    .base64-image-page .b64-stats-row { grid-template-columns: 1fr; }
}

.base64-image-page .b64-stat-card {
    background: var(--b64-card-bg);
    border: 1px solid var(--b64-card-border);
    border-radius: 14px;
    padding: 1rem;
    text-align: center;
    transition: border-color 0.2s ease;
}

.base64-image-page .b64-stat-card:hover {
    border-color: var(--b64-hover-border);
}

.base64-image-page .b64-stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--b64-text-muted);
    margin-bottom: 0.3rem;
}

.base64-image-page .b64-stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--b64-primary);
    line-height: 1;
}

.base64-image-page .b64-stat-value.success  { color: var(--b64-success); }
.base64-image-page .b64-stat-value.warning  { color: var(--b64-warning); }
.base64-image-page .b64-stat-sub {
    font-size: 0.7rem;
    color: var(--b64-text-muted);
    margin-top: 0.2rem;
}

/* ── Output Tabs ─────────────────────────────────────────── */
.base64-image-page .b64-out-tabs {
    display: flex;
    gap: 0.2rem;
    border-bottom: 1px solid var(--b64-card-border);
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.base64-image-page .b64-tab-btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0.45rem 0.85rem;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--b64-text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.base64-image-page .b64-tab-btn:hover { color: var(--b64-primary); }

.base64-image-page .b64-tab-btn.active {
    color: var(--b64-primary);
    border-bottom-color: var(--b64-primary);
}

/* ── Code Box ────────────────────────────────────────────── */
.base64-image-page .b64-code-box {
    background: var(--b64-code-bg);
    color: var(--b64-code-color);
    border-radius: 12px;
    padding: 1rem 1.1rem;
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.78rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 240px;
    overflow-y: auto;
    border: 1px solid rgba(255,255,255,0.06);
    margin: 0;
    width: 100%;
}

.base64-image-page .b64-code-box::-webkit-scrollbar { width: 5px; }
.base64-image-page .b64-code-box::-webkit-scrollbar-thumb {
    background: rgba(186,230,253,0.2);
    border-radius: 5px;
}

/* ── Textarea (Base64 input) ─────────────────────────────── */
.base64-image-page .b64-textarea {
    background: var(--b64-code-bg);
    color: var(--b64-code-color);
    border: 1.5px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 1rem;
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    width: 100%;
    min-height: 180px;
    resize: vertical;
    transition: border-color 0.2s ease;
}

.base64-image-page .b64-textarea:focus {
    outline: none;
    border-color: var(--b64-primary);
}

/* ── Warning Banner ──────────────────────────────────────── */
.base64-image-page .b64-warning-banner {
    background: rgba(245,158,11,0.1);
    border: 1px solid rgba(245,158,11,0.3);
    border-radius: 10px;
    padding: 0.65rem 1rem;
    font-size: 0.85rem;
    color: #92400e;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

[data-bs-theme="dark"] .base64-image-page .b64-warning-banner,
body.dark-mode .base64-image-page .b64-warning-banner {
    color: #fde68a;
    background: rgba(245,158,11,0.12);
    border-color: rgba(245,158,11,0.25);
}

/* ── Action Buttons ──────────────────────────────────────── */
.base64-image-page .b64-btn-primary {
    background: linear-gradient(135deg, var(--b64-primary) 0%, var(--b64-accent) 100%);
    border: none;
    color: #fff;
    font-weight: 700;
    border-radius: 12px;
    padding: 0.65rem 1.5rem;
    cursor: pointer;
    transition: opacity 0.2s ease, transform 0.1s ease;
}

.base64-image-page .b64-btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.base64-image-page .b64-btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

/* ── Processing overlay ──────────────────────────────────── */
.base64-image-page .b64-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.base64-image-page .b64-overlay-card {
    background: var(--b64-card-bg);
    border-radius: 20px;
    padding: 2.5rem 3rem;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    min-width: 240px;
}

/* ── Use-case cards ──────────────────────────────────────── */
.base64-image-page .b64-use-card {
    background: var(--b64-card-bg);
    border: 1px solid var(--b64-card-border);
    border-radius: 14px;
    padding: 1.2rem;
    text-align: center;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.base64-image-page .b64-use-card:hover {
    border-color: var(--b64-hover-border);
    box-shadow: 0 4px 14px rgba(14,165,233,0.08);
}

.base64-image-page .b64-use-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--b64-badge-bg);
    color: var(--b64-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

/* ── Workflow bar ────────────────────────────────────────── */
.base64-image-page .b64-workflow-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.base64-image-page .b64-workflow-step {
    background: var(--b64-card-bg);
    border: 1px solid var(--b64-card-border);
    border-radius: 50rem;
    padding: 0.3rem 0.9rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--b64-text-muted);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.base64-image-page .b64-workflow-step.active {
    background: var(--b64-primary);
    color: #fff;
    border-color: var(--b64-primary);
}

.base64-image-page .b64-workflow-step.done {
    background: var(--b64-success);
    color: #fff;
    border-color: var(--b64-success);
}

.base64-image-page .b64-workflow-arrow {
    color: var(--b64-text-muted);
    font-size: 0.65rem;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 991.98px) {
    .base64-image-page .b64-stats-row { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 767.98px) {
    .base64-image-page .b64-title { font-size: 1.75rem; }
    .base64-image-page .b64-dropzone { padding: 1.5rem 1rem; }
    .base64-image-page .b64-mode-bar { width: 100%; }
    .base64-image-page .b64-mode-btn { flex: 1; justify-content: center; }
    .base64-image-page .b64-stats-row { grid-template-columns: 1fr; }
    .base64-image-page .b64-info-grid { grid-template-columns: 1fr; }
}