/* ==========================================================================
   SALIST ENCRYPT — SOLID MONOCHROMATIC APPLE UI (ZERO BLUR / ZERO GLASS)
   High Contrast Minimalist Dark & Light Modes
   Functional Accents: Green (Success/Active), Yellow (Warning), Red (Danger)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. THEME VARIABLES (SOLID OPAQUE SURFACES, NO BLUR)
   -------------------------------------------------------------------------- */
:where(:root, [data-theme="light"]) {
    --bg-base: #f5f5f7;
    --bg-surface: #ffffff;
    --bg-surface-subtle: #f0f0f2;
    --bg-surface-active: #e5e5ea;

    --fg-primary: #1d1d1f;
    --fg-muted: #86868b;
    --border-subtle: #e5e5ea;
    --border-strong: #d2d2d7;

    --btn-primary-bg: #000000;
    --btn-primary-fg: #ffffff;
    --btn-primary-hover: #2d2d30;

    --btn-secondary-bg: #ffffff;
    --btn-secondary-fg: #1d1d1f;
    --btn-secondary-hover: #f0f0f2;

    --lg-track: #e5e5ea;
    --lg-rail: #d2d2d7;
    --lg-on: #34c759;
    --lg-fill: #000000;

    --status-success: #34c759;
    --status-success-bg: #eaf8ee;
    --status-warning: #ff9500;
    --status-warning-bg: #fff5e6;
    --status-danger: #ff3b30;
    --status-danger-bg: #fdeeee;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
}

:where([data-theme="dark"]) {
    --bg-base: #000000;
    --bg-surface: #141416;
    --bg-surface-subtle: #1c1c1f;
    --bg-surface-active: #28282c;

    --fg-primary: #ffffff;
    --fg-muted: #8e8e93;
    --border-subtle: #242428;
    --border-strong: #38383e;

    --btn-primary-bg: #ffffff;
    --btn-primary-fg: #000000;
    --btn-primary-hover: #e5e5ea;

    --btn-secondary-bg: #1c1c1f;
    --btn-secondary-fg: #ffffff;
    --btn-secondary-hover: #26262b;

    --lg-track: #2c2c30;
    --lg-rail: #38383e;
    --lg-on: #30d158;
    --lg-fill: #ffffff;

    --status-success: #30d158;
    --status-success-bg: rgba(48, 209, 88, 0.14);
    --status-warning: #ffd60a;
    --status-warning-bg: rgba(255, 214, 10, 0.14);
    --status-danger: #ff453a;
    --status-danger-bg: rgba(255, 69, 58, 0.14);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   2. BASE STYLES
   -------------------------------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 15px;
    scroll-behavior: smooth;
    min-height: 100%;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Display', system-ui, sans-serif;
    background-color: var(--bg-base);
    color: var(--fg-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.2s ease, color 0.2s ease;
}

::selection {
    background: var(--fg-primary);
    color: var(--bg-base);
}

.app-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 660px;
    padding: 24px 16px 80px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

@media (max-width: 600px) {
    .app-container {
        padding: 16px 12px 60px;
        gap: 14px;
    }
}

/* --------------------------------------------------------------------------
   3. SOLID SOLID CARDS & PANELS (NO BLUR, NO GLASS)
   -------------------------------------------------------------------------- */
.solid-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 18px;
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.15s ease, background-color 0.2s ease;
}

/* Header */
.header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-radius: 18px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
}

.brand-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-icon-box {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-subtle);
    display: grid;
    place-items: center;
}

.brand-icon-box svg {
    width: 18px;
    height: 18px;
    color: var(--fg-primary);
}

.brand-title-wrap {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 1.12rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.brand-subtitle {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--fg-muted);
}

/* --------------------------------------------------------------------------
   4. SOLID BUTTONS
   -------------------------------------------------------------------------- */
.solid-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    height: 36px;
    padding: 0 14px;
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--fg-primary);
    background-color: var(--btn-secondary-bg);
    font: inherit;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
    transition: background-color 140ms ease, border-color 140ms ease, transform 100ms ease;
}

.solid-button svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

.solid-button:hover {
    background-color: var(--btn-secondary-hover);
    border-color: var(--border-strong);
}

.solid-button:active {
    transform: scale(0.97);
}

.solid-button-icon {
    width: 36px;
    padding: 0;
    border-radius: 50%;
}

.solid-button-sm {
    height: 30px;
    padding: 0 11px;
    font-size: 12.5px;
    border-radius: 8px;
}

.solid-button-sm svg {
    width: 13px;
    height: 13px;
}

.solid-button-ghost {
    background: transparent;
    border-color: transparent;
}

.solid-button-ghost:hover {
    background: var(--bg-surface-subtle);
    border-color: var(--border-subtle);
}

.solid-button-dashed {
    border-style: dashed;
    background: transparent;
}

.solid-button-dashed:hover {
    border-color: var(--fg-primary);
    background: var(--bg-surface-subtle);
}

/* Primary Hero Buttons */
.solid-button-primary {
    background-color: var(--btn-primary-bg) !important;
    color: var(--btn-primary-fg) !important;
    border-color: var(--btn-primary-bg) !important;
}

.solid-button-primary:hover {
    background-color: var(--btn-primary-hover) !important;
}

.hero-btn {
    height: 46px;
    border-radius: 14px;
    font-size: 0.98rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.hero-btn svg {
    width: 18px;
    height: 18px;
}

.main-actions-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

@media (max-width: 480px) {
    .main-actions-row {
        grid-template-columns: 1fr;
    }
}

/* Inline Button Spinner */
.btn-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(128, 128, 128, 0.35);
    border-radius: 50%;
    border-top-color: currentColor;
    animation: btnSpin 0.6s linear infinite;
}

@keyframes btnSpin {
    to { transform: rotate(360deg); }
}

/* --------------------------------------------------------------------------
   5. GLISSE TAB BAR (SOLID OPAQUE VERSION)
   -------------------------------------------------------------------------- */
.tab-bar-wrap {
    display: flex;
    justify-content: center;
    width: 100%;
}

.lg-tab-bar {
    --lg-tab-width: 106px;
    --lg-tab-height: 36px;
    position: relative;
    display: inline-flex;
    padding: 4px;
    border-radius: 12px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    user-select: none;
    -webkit-user-select: none;
    max-width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
}

.lg-tab-bar::-webkit-scrollbar {
    display: none;
}

.lg-tab {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: var(--lg-tab-width);
    height: var(--lg-tab-height);
    padding: 0;
    border: 0;
    border-radius: 8px;
    color: var(--fg-muted);
    background: none;
    font: inherit;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: color 150ms ease;
    white-space: nowrap;
}

.lg-tab svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

.lg-tab:hover {
    color: var(--fg-primary);
}

.lg-tab[data-selected=""],
.lg-tab.active {
    color: var(--fg-primary);
}

.lg-tab-lens {
    position: absolute;
    top: 4px;
    left: 4px;
    width: var(--lg-tab-width);
    height: var(--lg-tab-height);
    border-radius: 8px;
    pointer-events: none;
    background-color: var(--bg-surface-active);
    transform: translateX(calc(var(--lg-tab-width) * var(--lg-index, 0)));
    transition: transform 200ms cubic-bezier(0.25, 0.1, 0.25, 1);
    will-change: transform;
    z-index: 0;
}

@media (max-width: 580px) {
    .lg-tab-bar {
        --lg-tab-width: 78px;
        --lg-tab-height: 32px;
    }
    .lg-tab {
        font-size: 12px;
        gap: 4px;
    }
    .lg-tab svg {
        width: 13px;
        height: 13px;
    }
}

/* --------------------------------------------------------------------------
   6. GLISSE OFFICIAL SWITCH (COMPACT & PRECISE)
   -------------------------------------------------------------------------- */
.lg-switch {
    --lg-scale: 0.35;
    position: relative;
    flex: none;
    width: calc(160px * var(--lg-scale));
    height: calc(67px * var(--lg-scale));
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: var(--lg-track);
    cursor: pointer;
    touch-action: pan-y;
    -webkit-tap-highlight-color: transparent;
    transition: background-color 180ms ease;
}

.lg-switch-fill {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: var(--lg-on);
    opacity: 0;
    transition: opacity 180ms ease;
}

.lg-switch-thumb {
    position: absolute;
    top: 50%;
    left: calc(-21.95px * var(--lg-scale));
    width: calc(146px * var(--lg-scale));
    height: calc(92px * var(--lg-scale));
    border-radius: 999px;
    transform: translate(0, -50%) scale(0.65);
    transition: transform 200ms cubic-bezier(0.25, 0.1, 0.25, 1);
    pointer-events: none;
    background: #ffffff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.25);
}

.lg-switch[aria-checked="true"] .lg-switch-fill {
    opacity: 1;
}

.lg-switch[aria-checked="true"] .lg-switch-thumb {
    transform: translate(calc(57.9px * var(--lg-scale)), -50%) scale(0.65);
}

/* 4-in-a-Row Switches for Tools Tab */
.switch-options-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.switch-item-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 6px;
    border-radius: 12px;
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-subtle);
    font-size: 0.85rem;
    font-weight: 700;
}

/* --------------------------------------------------------------------------
   7. GLISSE SLIDER (ZERO-LATENCY, NO LAG)
   -------------------------------------------------------------------------- */
.lg-slider {
    position: relative;
    width: 100%;
    height: 38px;
}

.lg-slider-track {
    position: absolute;
    inset: 16px 0 auto;
    height: 6px;
    overflow: hidden;
    border-radius: 3px;
    background: var(--lg-rail);
    pointer-events: none;
}

.lg-slider-fill {
    display: block;
    height: 100%;
    background: var(--lg-fill);
    transform: scaleX(var(--lg-progress, 0.3));
    transform-origin: left;
    transition: none !important; /* Zero lag */
}

.lg-slider-thumb {
    position: absolute;
    top: 0;
    left: calc((100% - 36px) * var(--lg-progress, 0.3) - 12px);
    width: 60px;
    height: 38px;
    scale: 0.6;
    border-radius: 999px;
    pointer-events: none;
    background: #ffffff;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
    transition: none !important; /* Zero lag */
}

.lg-thumb-face {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: #ffffff;
}

.lg-slider input {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    height: 38px;
    margin: 0;
    background: transparent;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    touch-action: pan-y;
}

.lg-slider input::-webkit-slider-runnable-track {
    height: 6px;
    background: transparent;
}

.lg-slider input::-webkit-slider-thumb {
    width: 36px;
    height: 38px;
    margin-top: -16px;
    border: 0;
    background: transparent;
    box-shadow: none;
    opacity: 0;
    touch-action: none;
    appearance: none;
    -webkit-appearance: none;
}

.lg-slider input::-moz-range-track {
    height: 6px;
    background: transparent;
}

.lg-slider input::-moz-range-thumb {
    width: 36px;
    height: 38px;
    border: 0;
    background: transparent;
    box-shadow: none;
    opacity: 0;
}

/* --------------------------------------------------------------------------
   8. INPUTS & TEXTAREAS
   -------------------------------------------------------------------------- */
.solid-textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    background-color: var(--bg-surface-subtle);
    color: var(--fg-primary);
    font-family: inherit;
    font-size: 0.92rem;
    line-height: 1.6;
    resize: vertical;
    outline: none;
    transition: border-color 140ms ease;
}

.solid-textarea:focus {
    border-color: var(--fg-primary);
}

.solid-textarea::placeholder {
    color: var(--fg-muted);
}

.solid-input {
    width: 100%;
    height: 38px;
    padding: 0 12px;
    border-radius: 10px;
    border: 1px solid var(--border-subtle);
    background-color: var(--bg-surface-subtle);
    color: var(--fg-primary);
    font-family: 'Fira Code', 'SF Mono', monospace;
    font-size: 0.88rem;
    outline: none;
    transition: border-color 140ms ease;
}

.solid-input:focus {
    border-color: var(--fg-primary);
}

.card-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.field-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--fg-primary);
}

.field-label svg {
    width: 16px;
    height: 16px;
    color: var(--fg-muted);
}

.field-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* --------------------------------------------------------------------------
   9. DROP ZONES (CLICKABLE, WITH BUTTONS CENTERED INSIDE)
   -------------------------------------------------------------------------- */
.drop-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 28px 16px;
    border-radius: 14px;
    border: 1.5px dashed var(--border-strong);
    background: var(--bg-surface-subtle);
    cursor: pointer;
    text-align: center;
    transition: border-color 140ms ease, background-color 140ms ease;
    gap: 10px;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--fg-primary);
    background-color: var(--bg-surface-active);
}

.drop-icon-box {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    display: grid;
    place-items: center;
}

.drop-icon-box svg {
    width: 20px;
    height: 20px;
    color: var(--fg-primary);
}

.drop-title {
    font-size: 0.92rem;
    font-weight: 600;
}

.drop-subtitle {
    font-size: 0.78rem;
    color: var(--fg-muted);
}

.drop-actions-row {
    display: flex;
    gap: 8px;
    margin-top: 2px;
}

/* Preview Box (Shown when image/carrier is loaded) */
.preview-box {
    display: none;
    position: relative;
    width: 100%;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    background: #000000;
}

.preview-box.show {
    display: block;
}

.preview-box img {
    width: 100%;
    max-height: 360px;
    object-fit: contain;
    display: block;
}

.preview-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.75);
    color: #ffffff;
    border: 0;
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: transform 120ms ease;
}

.preview-close:hover {
    transform: scale(1.1);
    background: var(--status-danger);
}

.preview-close svg {
    width: 14px;
    height: 14px;
}

/* File list */
.file-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-subtle);
    font-size: 0.85rem;
}

.file-item-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.file-item-left svg {
    width: 16px;
    height: 16px;
    color: var(--fg-muted);
}

.file-item-name {
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-item-size {
    font-size: 0.76rem;
    font-family: 'Fira Code', monospace;
    color: var(--fg-muted);
}

/* --------------------------------------------------------------------------
   10. KEY LAYERS
   -------------------------------------------------------------------------- */
.key-layers-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.key-layer-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 12px;
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-subtle);
    transition: opacity 140ms ease;
}

.key-index {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    color: var(--fg-primary);
    font-weight: 700;
    font-size: 0.72rem;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.key-input {
    flex: 1;
    height: 34px;
    border: 0;
    background: transparent;
    color: var(--fg-primary);
    font-family: 'Fira Code', monospace;
    font-size: 0.88rem;
    outline: none;
}

.key-btn-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.key-action-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 0;
    background: transparent;
    color: var(--fg-muted);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: background-color 120ms ease, color 120ms ease;
}

.key-action-btn:hover {
    background: var(--bg-surface-active);
    color: var(--fg-primary);
}

.key-action-btn svg {
    width: 14px;
    height: 14px;
}

.badge-pill {
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-subtle);
    color: var(--fg-primary);
}

/* --------------------------------------------------------------------------
   11. RESULT & QR CONTAINERS
   -------------------------------------------------------------------------- */
.result-card {
    display: none;
    flex-direction: column;
    gap: 12px;
}

.result-card.show {
    display: flex;
}

.verified-badge {
    display: none;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--status-success);
    background: var(--status-success-bg);
}

.verified-badge.show {
    display: inline-flex;
}

.verified-badge svg {
    width: 14px;
    height: 14px;
}

.result-image-box {
    display: none;
    max-width: 100%;
    max-height: 360px;
    margin: 0 auto;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    object-fit: contain;
}

.result-image-box.show {
    display: block;
}

.qr-display {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    border-radius: 16px;
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    margin: 12px auto;
    width: fit-content;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.qr-display.show {
    display: flex;
}

#qrCode,
#textQrCode {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 220px;
    height: 220px;
    min-width: 220px;
    min-height: 220px;
    background: #ffffff;
}

.qr-display svg,
#qrCode svg,
#textQrCode svg {
    width: 220px !important;
    height: 220px !important;
    min-width: 220px !important;
    min-height: 220px !important;
    display: block !important;
    margin: 0 auto;
}

.qr-display img,
#qrCode img,
#textQrCode img {
    width: 220px !important;
    height: 220px !important;
    display: block !important;
    image-rendering: pixelated;
    margin: 0 auto;
}

/* --------------------------------------------------------------------------
   12. WARNING BARS & SMART DETECT
   -------------------------------------------------------------------------- */
.warning-bar {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--status-danger-bg);
    color: var(--status-danger);
    font-size: 0.82rem;
    font-weight: 600;
}

.warning-bar.show {
    display: flex;
}

.warning-bar svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.smart-banner {
    display: none;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    border-radius: 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
}

.smart-banner.show {
    display: flex;
}

.smart-badge {
    padding: 2px 7px;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 800;
    background: var(--fg-primary);
    color: var(--bg-base);
}

/* --------------------------------------------------------------------------
   13. CAPACITY & ENTROPY METERS
   -------------------------------------------------------------------------- */
.stego-meter {
    display: none;
    flex-direction: column;
    gap: 8px;
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-subtle);
}

.stego-meter.show {
    display: flex;
}

.meter-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--fg-muted);
}

.progress-track {
    width: 100%;
    height: 6px;
    border-radius: 999px;
    background: var(--lg-track);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 999px;
    background: var(--status-success);
    transition: width 150ms ease;
}

.progress-fill.warn {
    background: var(--status-warning);
}

.progress-fill.danger {
    background: var(--status-danger);
}

/* Hash List */
.hash-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hash-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px 12px;
    border-radius: 10px;
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-subtle);
}

.hash-item-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hash-label {
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--fg-muted);
}

.hash-code {
    font-family: 'Fira Code', monospace;
    font-size: 0.82rem;
    color: var(--fg-primary);
    word-break: break-all;
    user-select: all;
}

/* --------------------------------------------------------------------------
   14. TAB CONTENT DISPLAY & TOOLS GRID
   -------------------------------------------------------------------------- */
.tab-content {
    display: none;
    flex-direction: column;
    gap: 14px;
}

.tab-content.active {
    display: flex;
}

.tools-grid {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* --------------------------------------------------------------------------
   15. TOAST NOTIFICATIONS (MINIMALIST FLOATING PILL)
   -------------------------------------------------------------------------- */
.toast-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    pointer-events: none;
    width: 90%;
    max-width: 400px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 8px 16px;
    border-radius: 999px;
    background: var(--bg-surface);
    color: var(--fg-primary);
    border: 1px solid var(--border-strong);
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    pointer-events: auto;
    transition: transform 140ms ease, opacity 140ms ease;
}

.toast svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

.toast-success svg { color: var(--status-success); }
.toast-error svg { color: var(--status-danger); }
.toast-info svg { color: var(--fg-primary); }

.toast.removing {
    opacity: 0;
    transform: translateY(-8px) scale(0.96);
}

.app-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
    text-align: center;
    color: var(--fg-muted);
    font-size: 0.74rem;
}