/* SVG to Base64 — isolated converter UI. Every selector is isolated with .svgb64-. */

.svgb64-shell {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.svgb64-hero,
.svgb64-actions,
.svgb64-stats,
.svgb64-preview-card,
.svgb64-code-card,
.svgb64-settings,
.svgb64-output-card,
.svgb64-error {
    background:
        radial-gradient(circle at top left, rgba(99, 102, 241, 0.12), transparent 31rem),
        linear-gradient(180deg, rgba(24, 27, 36, 0.98), rgba(17, 19, 24, 0.98));
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.22);
}

.svgb64-hero {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem;
    overflow: hidden;
}

.svgb64-hero__copy { max-width: 800px; }

.svgb64-eyebrow,
.svgb64-card-kicker {
    color: var(--accent-light);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.svgb64-hero h2 {
    margin-top: 0.22rem;
    font-size: clamp(1.45rem, 2.7vw, 2.3rem);
    line-height: 1.04;
    letter-spacing: -0.055em;
}

.svgb64-hero p {
    max-width: 730px;
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.svgb64-hero__panel {
    display: flex;
    min-width: 260px;
    align-content: center;
    justify-content: flex-end;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.svgb64-hero__panel span,
.svgb64-signal-strip span {
    border: 1px solid rgba(129, 140, 248, 0.24);
    border-radius: 999px;
    background: var(--accent-dim);
    color: var(--accent-light);
    font-size: 0.72rem;
    font-weight: 800;
    line-height: 1;
    padding: 0.45rem 0.65rem;
    white-space: nowrap;
}

.svgb64-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: center;
    padding: 0.75rem;
}

.svgb64-dropzone {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    min-height: 74px;
    border: 1px dashed rgba(129, 140, 248, 0.36);
    border-radius: 15px;
    background: rgba(99, 102, 241, 0.08);
    padding: 0.75rem;
}

.svgb64-dropzone.is-dragging {
    border-color: var(--accent-light);
    background: rgba(99, 102, 241, 0.16);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.16);
}

.svgb64-dropzone strong,
.svgb64-dropzone span { display: block; }

.svgb64-dropzone strong {
    color: var(--text-primary);
    font-size: 0.95rem;
    letter-spacing: -0.02em;
}

.svgb64-dropzone span {
    margin-top: 0.12rem;
    color: var(--text-muted);
    font-size: 0.78rem;
}

.svgb64-file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

.svgb64-action-buttons,
.svgb64-output-actions,
.svgb64-preview-tools {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.svgb64-button,
.svgb64-preview-tools button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 40px;
    border: 1px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    font: inherit;
    font-size: 0.84rem;
    font-weight: 850;
    line-height: 1;
    padding: 0.65rem 0.9rem;
    text-decoration: none;
    white-space: nowrap;
    transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}

.svgb64-button:hover:not(:disabled),
.svgb64-preview-tools button:hover { transform: translateY(-1px); }
.svgb64-button:disabled { cursor: not-allowed; opacity: 0.48; }

.svgb64-button--primary {
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    color: #fff;
    box-shadow: 0 14px 32px rgba(99, 102, 241, 0.28);
}

.svgb64-button--soft {
    border-color: rgba(129, 140, 248, 0.28);
    background: var(--accent-dim);
    color: var(--accent-light);
}

.svgb64-button--ghost,
.svgb64-preview-tools button {
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.025);
    color: var(--text-secondary);
}

.svgb64-button--ghost:hover:not(:disabled),
.svgb64-preview-tools button:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.svgb64-preview-tools button.is-active {
    border-color: rgba(129, 140, 248, 0.42);
    background: rgba(99, 102, 241, 0.14);
    color: var(--accent-light);
}

.svgb64-stats {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.65rem;
    padding: 0.75rem;
}

.svgb64-stat {
    min-width: 0;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(10, 11, 15, 0.34);
    padding: 0.75rem;
}

.svgb64-stat span {
    display: block;
    color: var(--text-muted);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.svgb64-stat strong {
    display: block;
    margin-top: 0.14rem;
    color: var(--text-primary);
    font-size: clamp(0.95rem, 1.7vw, 1.35rem);
    letter-spacing: -0.04em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.svgb64-stat--accent {
    border-color: rgba(16, 185, 129, 0.24);
    background: rgba(16, 185, 129, 0.08);
}

.svgb64-stat--accent strong { color: #86efac; }

.svgb64-error {
    border-color: rgba(248, 113, 113, 0.34);
    background: rgba(127, 29, 29, 0.18);
    padding: 0.9rem 1rem;
}

.svgb64-error strong { color: #fecaca; }
.svgb64-error p { color: #fca5a5; font-size: 0.88rem; margin-top: 0.2rem; }

.svgb64-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--border);
}

.svgb64-card-header h3 {
    margin-top: 0.08rem;
    font-size: 1rem;
    letter-spacing: -0.03em;
}

.svgb64-card-header p {
    max-width: 280px;
    color: var(--text-muted);
    font-size: 0.78rem;
    text-align: right;
}

.svgb64-preview-card,
.svgb64-code-card,
.svgb64-settings,
.svgb64-output-card { overflow: hidden; }

.svgb64-card-header--preview,
.svgb64-card-header--output { align-items: center; }

.svgb64-preview-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    padding: 0.75rem;
}

.svgb64-preview-grid.is-original { grid-template-columns: 1fr; }
.svgb64-preview-grid.is-decoded { grid-template-columns: 1fr; }
.svgb64-preview-grid.is-original [data-svgb64-pane="decoded"] { display: none; }
.svgb64-preview-grid.is-decoded [data-svgb64-pane="original"] { display: none; }

.svgb64-preview-pane {
    min-width: 0;
    margin: 0;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    background: rgba(10, 11, 15, 0.28);
}

.svgb64-preview-pane figcaption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border);
    padding: 0.7rem 0.8rem;
}

.svgb64-preview-pane figcaption span {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 850;
}

.svgb64-preview-pane figcaption strong {
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 800;
}

.svgb64-preview-surface {
    display: grid;
    place-items: center;
    min-height: 290px;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.035);
    background-image:
        linear-gradient(45deg, rgba(255, 255, 255, 0.055) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255, 255, 255, 0.055) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.055) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.055) 75%);
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
    background-size: 16px 16px;
    color: var(--text-muted);
    overflow: auto;
}

.svgb64-preview-grid:not(.is-grid-visible) .svgb64-preview-surface {
    background-image: none;
}

.svgb64-preview-surface svg {
    display: block;
    max-width: 100%;
    max-height: 260px;
}

.svgb64-preview-surface--empty p {
    max-width: 260px;
    margin: 0;
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.45;
    text-align: center;
}

.svgb64-signal-strip {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    padding: 0 0.75rem 0.85rem;
}

.svgb64-signal-strip span {
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.025);
    color: var(--text-secondary);
}

.svgb64-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 1rem;
    align-items: stretch;
}

.svgb64-note {
    margin: 0.85rem 0.85rem 0;
    border: 1px solid rgba(129, 140, 248, 0.24);
    border-radius: 14px;
    background: rgba(99, 102, 241, 0.09);
    color: var(--text-secondary);
    font-size: 0.78rem;
    line-height: 1.45;
    padding: 0.72rem;
}

.svgb64-output-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
    padding: 0 0.85rem 0.85rem;
}

.svgb64-output-actions .svgb64-button {
    min-width: 0;
    width: 100%;
}

.svgb64-output-actions .svgb64-button:last-child { grid-column: 1 / -1; }

.svgb64-textarea {
    display: block;
    width: 100%;
    min-height: 430px;
    resize: vertical;
    border: 0;
    outline: none;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px) 0 0 / 3.2rem 100%,
        var(--bg-input);
    color: var(--text-primary);
    font-family: "Cascadia Code", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.83rem;
    line-height: 1.65;
    padding: 1rem;
}

.svgb64-textarea::placeholder { color: var(--text-muted); }

@media (max-width: 1120px) {
    .svgb64-actions,
    .svgb64-workspace { grid-template-columns: 1fr; }

    .svgb64-settings { order: 2; }
    .svgb64-output-actions { grid-template-columns: repeat(3, minmax(0, 1fr)); justify-content: stretch; }
    .svgb64-output-actions .svgb64-button:last-child { grid-column: auto; }
}

@media (max-width: 900px) {
    .svgb64-preview-grid { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
    .svgb64-hero,
    .svgb64-card-header,
    .svgb64-card-header--preview,
    .svgb64-card-header--output {
        flex-direction: column;
        align-items: stretch;
    }

    .svgb64-hero__panel {
        justify-content: flex-start;
        min-width: 0;
    }

    .svgb64-card-header p {
        max-width: none;
        text-align: left;
    }

    .svgb64-stats { grid-template-columns: 1fr; }

    .svgb64-action-buttons,
    .svgb64-preview-tools { justify-content: flex-start; }

    .svgb64-button--primary { width: 100%; }

    .svgb64-textarea { min-height: 360px; }
}

@media (max-width: 560px) {
    .svgb64-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .svgb64-dropzone { flex-direction: column; align-items: stretch; }
    .svgb64-action-buttons .svgb64-button,
    .svgb64-preview-tools button { flex: 1; }
    .svgb64-output-actions { grid-template-columns: 1fr; }
    .svgb64-output-actions .svgb64-button:last-child { grid-column: auto; }
}

.svgb64-signal-strip span.svgb64-signal--safe {
    border-color: rgba(34, 197, 94, 0.42);
    background: rgba(34, 197, 94, 0.08);
    color: #86efac;
}

.svgb64-signal-strip span.svgb64-signal--risk {
    border-color: rgba(251, 191, 36, 0.5);
    background: rgba(251, 191, 36, 0.08);
    color: #fbbf24;
}

.svgb64-signal-strip span.svgb64-signal--muted {
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.025);
    color: var(--text-secondary);
}



.svgb64-preserve-note {
    margin: 0.25rem 0.68rem 0.68rem;
    border: 1px solid rgba(34, 197, 94, 0.26);
    border-radius: 13px;
    background: rgba(34, 197, 94, 0.07);
    padding: 0.68rem;
}

.svgb64-preserve-note strong,
.svgb64-preserve-note span { display: block; }

.svgb64-preserve-note strong {
    color: #86efac;
    font-size: 0.8rem;
    letter-spacing: -0.01em;
}

.svgb64-preserve-note span {
    margin-top: 0.12rem;
    color: var(--text-secondary);
    font-size: 0.72rem;
    line-height: 1.4;
}



.svgb64-mode-picker {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
    margin: 0.7rem 0.85rem;
}

.svgb64-mode-picker button {
    min-width: 0;
    border: 1px solid rgba(129, 140, 248, 0.24);
    border-radius: 14px;
    background: rgba(15, 23, 42, 0.62);
    color: var(--text-secondary);
    cursor: pointer;
    font: inherit;
    padding: 0.72rem;
    text-align: left;
    transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.svgb64-mode-picker button:hover {
    transform: translateY(-1px);
    border-color: rgba(129, 140, 248, 0.46);
    background: rgba(99, 102, 241, 0.13);
}

.svgb64-mode-picker button.is-active {
    border-color: rgba(129, 140, 248, 0.72);
    background: rgba(99, 102, 241, 0.2);
    color: var(--text-primary);
    box-shadow: inset 0 0 0 1px rgba(129, 140, 248, 0.18);
}

.svgb64-mode-picker strong,
.svgb64-mode-picker span {
    display: block;
    min-width: 0;
    overflow-wrap: anywhere;
}

.svgb64-mode-picker strong {
    color: var(--text-primary);
    font-size: 0.86rem;
    letter-spacing: -0.02em;
}

.svgb64-mode-picker span {
    margin-top: 0.18rem;
    color: var(--text-muted);
    font-size: 0.72rem;
    line-height: 1.35;
}

.svgb64-textarea--output {
    min-height: 250px;
    word-break: break-all;
}

@media (max-width: 560px) {
    .svgb64-mode-picker { grid-template-columns: 1fr; }
}