/* ==========================================================================
   B3N Password — Design System (b3ncloud.net style)
   Dark hacker/cybersecurity aesthetic
   ========================================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
    /* Colors — b3ncloud palette */
    --color-bg:             #050505;
    --color-surface:        #0a0a0a;
    --color-card:           #0b0b0b;
    --color-card-hover:     #0f0f0f;
    --color-border:         rgba(255, 255, 255, 0.08);
    --color-border-hover:   rgba(180, 255, 0, 0.2);

    --color-accent:         #b4ff00;
    --color-accent-hover:   #c8ff40;
    --color-accent-glow:    rgba(180, 255, 0, 0.15);
    --color-accent-dim:     rgba(180, 255, 0, 0.06);

    --color-success:        #b4ff00;
    --color-error:          #ff3b3b;
    --color-warning:        #ffb800;

    --color-text:           #f0f0f0;
    --color-text-secondary: #a1a1aa;
    --color-text-muted:     #555568;

    /* Typography */
    --font-heading: 'Bebas Neue', 'Impact', sans-serif;
    --font-mono:    'IBM Plex Mono', 'Fira Code', 'Consolas', monospace;
    --font-sans:    'IBM Plex Mono', monospace;

    /* Spacing & Radius */
    --radius-sm:  2px;
    --radius-md:  4px;
    --radius-lg:  4px;

    /* Transitions */
    --transition-fast: 120ms ease;
    --transition-base: 200ms ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover { color: var(--color-accent-hover); }

::selection {
    background: var(--color-accent);
    color: #000;
}

/* ---------- Ambient glow (subtle edge vignette like b3ncloud) ---------- */
.bg-grid {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(ellipse at 0% 0%, rgba(0, 80, 120, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 100%, rgba(0, 60, 100, 0.06) 0%, transparent 50%);
}

.bg-glow { display: none; }
.bg-glow--1 { display: none; }
.bg-glow--2 { display: none; }

/* ---------- Layout ---------- */
.container {
    position: relative;
    z-index: 1;
    max-width: 580px;
    margin: 0 auto;
    padding: 0 1.25rem 3rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

/* ---------- Header / Navbar (b3ncloud style) ---------- */
.header {
    text-align: center;
    padding: 2rem 0 2.5rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 2rem;
    animation: fadeIn 0.4s ease;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0;
    color: var(--color-text);
    text-decoration: none;
}
.logo:hover { color: var(--color-text); }

.logo__icon {
    display: none; /* replaced by text-only logo like b3ncloud */
}

.logo__text {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text);
    background: none;
    -webkit-text-fill-color: unset;
}

.header__tagline {
    font-family: var(--font-mono);
    color: var(--color-accent);
    font-size: 0.7rem;
    margin-top: 0.25rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 500;
}

/* ---------- Card ---------- */
.card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    margin-bottom: 1.25rem;
    transition: border-color var(--transition-base);
}
.card:hover {
    border-color: var(--color-border-hover);
}

.card__title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 0.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text);
}

.card__subtitle {
    font-family: var(--font-mono);
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* ---------- Forms ---------- */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.4rem;
}

.form-textarea,
.form-input,
.form-select {
    width: 100%;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.7rem 0.85rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-textarea {
    resize: vertical;
    min-height: 130px;
    line-height: 1.7;
}

.form-textarea:focus,
.form-input:focus,
.form-select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px var(--color-accent-glow);
}

.form-textarea::placeholder,
.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23a1a1aa' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    padding-right: 2.25rem;
}

.form-select option {
    background: var(--color-card);
    color: var(--color-text);
}

.char-count {
    text-align: right;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.input-wrapper {
    position: relative;
}
.input-wrapper .form-input {
    padding-right: 2.75rem;
}

.input-icon-btn {
    position: absolute;
    right: 0.6rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0.2rem;
    display: flex;
    align-items: center;
    transition: color var(--transition-fast);
}
.input-icon-btn:hover { color: var(--color-accent); }

/* ---------- Options panel ---------- */
.options-panel {
    margin-bottom: 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.options-panel[open] {
    border-color: var(--color-border-hover);
}

.options-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 0.85rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast), background var(--transition-fast);
    user-select: none;
    list-style: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.options-toggle::-webkit-details-marker { display: none; }
.options-toggle:hover {
    color: var(--color-accent);
    background: var(--color-accent-dim);
}

.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
    padding: 0 0.85rem 0.85rem;
}
.options-grid > .form-group:first-child {
    grid-column: 1 / -1;
}

/* ---------- Buttons (b3ncloud style — sharp, bold) ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-md);
    padding: 0.7rem 1.25rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1.4;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.btn--primary {
    background: var(--color-accent);
    color: #000;
    border: 1px solid var(--color-accent);
}
.btn--primary:hover {
    background: var(--color-accent-hover);
    box-shadow: 0 0 20px var(--color-accent-glow);
}
.btn--primary:active {
    transform: scale(0.98);
}

.btn--accent {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}
.btn--accent:hover {
    background: var(--color-accent-dim);
}

.btn--ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}
.btn--ghost:hover {
    color: var(--color-accent);
    border-color: rgba(180, 255, 0, 0.25);
    background: var(--color-accent-dim);
}

.btn--small {
    font-size: 0.7rem;
    padding: 0.35rem 0.75rem;
}

.btn--full {
    width: 100%;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

/* ---------- URL display ---------- */
.url-display {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.url-input {
    font-size: 0.7rem !important;
    cursor: text;
    color: var(--color-accent) !important;
}

/* ---------- Result ---------- */
.result-icon, .confirm-icon, .error-icon {
    text-align: center;
    margin-bottom: 0.85rem;
}

.result-meta, .view-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin: 0.85rem 0;
    justify-content: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.3rem 0.65rem;
    border-radius: var(--radius-sm);
    background: var(--color-accent-dim);
    color: var(--color-accent);
    border: 1px solid rgba(180, 255, 0, 0.12);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.badge--pw {
    background: rgba(255, 184, 0, 0.06);
    color: var(--color-warning);
    border-color: rgba(255, 184, 0, 0.12);
}
.badge--success {
    background: var(--color-accent-dim);
    color: var(--color-accent);
    border-color: rgba(180, 255, 0, 0.12);
}

.result-warning {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-warning);
    background: rgba(255, 184, 0, 0.04);
    border: 1px solid rgba(255, 184, 0, 0.1);
    border-radius: var(--radius-md);
    padding: 0.7rem 0.85rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}
.result-warning svg { flex-shrink: 0; margin-top: 1px; }

/* ---------- Content display ---------- */
.content-box {
    position: relative;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.85rem;
    margin: 1rem 0;
}

.content-pre {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--color-accent);
    max-height: 350px;
    overflow-y: auto;
}

/* Scrollbar styling */
.content-pre::-webkit-scrollbar {
    width: 4px;
}
.content-pre::-webkit-scrollbar-track {
    background: var(--color-bg);
}
.content-pre::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 2px;
}

.content-copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
}

/* ---------- Error text ---------- */
.error-text {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--color-error);
    margin-bottom: 0.65rem;
}

/* ---------- Spinner ---------- */
.spinner {
    width: 28px;
    height: 28px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 0 auto 0.85rem;
}

/* ---------- Toast ---------- */
.toast {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    background: var(--color-card);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    box-shadow: 0 4px 20px rgba(180, 255, 0, 0.1);
    opacity: 0;
    transition: opacity var(--transition-base), transform var(--transition-base);
    z-index: 1000;
    pointer-events: none;
}
.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ---------- Footer ---------- */
.footer {
    text-align: center;
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    animation: fadeIn 0.5s ease 0.2s both;
}

.footer__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-accent);
    background: var(--color-accent-dim);
    border: 1px solid rgba(180, 255, 0, 0.1);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
}

.footer__text {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-text-muted);
    max-width: 360px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ---------- Utilities ---------- */
.hidden { display: none !important; }

/* ---------- Animations ---------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

.fade-in {
    animation: fadeInUp 0.35s ease both;
}

/* ---------- View states ---------- */
.view-state { text-align: center; }
.view-state .card__subtitle { text-align: center; }

/* ---------- Password Generator ---------- */
.pwgen-panel {
    margin-bottom: 1rem;
    border-color: rgba(180, 255, 0, 0.1);
}
.pwgen-panel[open] {
    border-color: rgba(180, 255, 0, 0.25);
}

.pwgen-body {
    padding: 0.85rem;
}

.pwgen-output {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.6rem 0.75rem;
    margin-bottom: 0.6rem;
}

.pwgen-value {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-accent);
    word-break: break-all;
    line-height: 1.5;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.pwgen-strength-bar {
    height: 3px;
    background: var(--color-border);
    border-radius: 2px;
    margin-bottom: 0.3rem;
    overflow: hidden;
}

.pwgen-strength-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.3s ease, background 0.3s ease;
    width: 0%;
    background: var(--color-error);
}

.pwgen-strength-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    text-align: right;
}

.pwgen-controls {
    margin-bottom: 0.75rem;
}

.pwgen-length-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
}
.pwgen-length-row .form-label {
    margin-bottom: 0;
    white-space: nowrap;
}

.pwgen-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 3px;
    background: var(--color-border);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}
.pwgen-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-accent);
    cursor: pointer;
    border: 2px solid var(--color-bg);
    box-shadow: 0 0 6px var(--color-accent-glow);
}
.pwgen-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-accent);
    cursor: pointer;
    border: 2px solid var(--color-bg);
}

.pwgen-length-val {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-accent);
    min-width: 2rem;
    text-align: right;
}

.pwgen-toggles {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.pwgen-toggle {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 0.3rem 0.6rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    user-select: none;
}
.pwgen-toggle:has(input:checked) {
    border-color: rgba(180, 255, 0, 0.3);
    color: var(--color-accent);
    background: var(--color-accent-dim);
}
.pwgen-toggle input {
    display: none;
}

.pwgen-actions {
    display: flex;
    gap: 0.5rem;
}
.pwgen-actions .btn {
    flex: 1;
}

/* ---------- Audit Log ---------- */
.audit-panel {
    margin-top: 1rem;
}

.audit-body {
    padding: 0.85rem;
}

.audit-description {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.audit-results {
    margin-top: 0.85rem;
}

.audit-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.65rem;
}

.audit-table th,
.audit-table td {
    text-align: left;
    padding: 0.4rem 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.audit-table th {
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    font-size: 0.6rem;
}

.audit-table td {
    color: var(--color-text-secondary);
}

.audit-fingerprint {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--color-text-muted);
    letter-spacing: 0.03em;
}

.audit-no-access {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-muted);
    text-align: center;
    padding: 1rem;
}

/* ---------- HMAC Integrity Badge ---------- */
.badge--integrity {
    background: rgba(0, 200, 120, 0.06);
    color: #00c878;
    border-color: rgba(0, 200, 120, 0.15);
}
.badge--integrity-fail {
    background: rgba(255, 59, 59, 0.08);
    color: var(--color-error);
    border-color: rgba(255, 59, 59, 0.2);
    animation: pulse-error 1.5s ease-in-out infinite;
}

@keyframes pulse-error {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ---------- Burn Overlay ---------- */
.burn-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    animation: burnFadeIn 0.4s ease both;
}

.burn-content {
    text-align: center;
    max-width: 340px;
    position: relative;
}

.burn-icon {
    margin-bottom: 1rem;
    animation: burnFlicker 0.8s ease-in-out infinite alternate;
}

@keyframes burnFlicker {
    0% { transform: scale(1); filter: brightness(1); }
    50% { transform: scale(1.05); filter: brightness(1.3); }
    100% { transform: scale(0.98); filter: brightness(0.9); }
}

.burn-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-error);
    margin-bottom: 0.5rem;
    animation: burnGlow 1.5s ease-in-out infinite alternate;
}

@keyframes burnGlow {
    from { text-shadow: 0 0 10px rgba(255, 59, 59, 0.3); }
    to   { text-shadow: 0 0 25px rgba(255, 59, 59, 0.6), 0 0 50px rgba(255, 184, 0, 0.2); }
}

.burn-subtitle {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.burn-particles {
    position: absolute;
    inset: -60px;
    pointer-events: none;
    overflow: hidden;
}

.burn-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    animation: burnParticleFloat linear forwards;
}

@keyframes burnParticleFloat {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-120px) scale(0);
    }
}

@keyframes burnFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.burn-overlay.burn-exit {
    animation: burnFadeOut 0.6s ease forwards;
}

@keyframes burnFadeOut {
    from { opacity: 1; }
    to   { opacity: 0; }
}

/* ---------- Clipboard Timer ---------- */
.clipboard-timer {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.45rem 0.85rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    z-index: 999;
    animation: fadeInUp 0.3s ease both;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.clipboard-timer.clearing {
    border-color: rgba(255, 184, 0, 0.3);
    color: var(--color-warning);
}

.clipboard-timer.cleared {
    border-color: rgba(180, 255, 0, 0.2);
    color: var(--color-accent);
    animation: fadeOutDown 0.5s ease 0.8s forwards;
}

@keyframes fadeOutDown {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(12px); }
}

/* ---------- File Attachment ---------- */
.file-upload-group { margin-top: 1.25rem; }
.file-upload-zone {
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    text-align: center;
    position: relative;
    transition: all 0.2s ease;
    background: rgba(255, 255, 255, 0.01);
}
.file-upload-zone:hover, .file-upload-zone.drag-active {
    border-color: var(--color-accent);
    background: rgba(180, 255, 0, 0.05);
}
.file-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}
.file-upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    pointer-events: none;
}
.file-upload-icon {
    color: var(--color-text-muted);
    transition: color 0.2s ease;
}
.file-upload-zone:hover .file-upload-icon, .file-upload-zone.drag-active .file-upload-icon {
    color: var(--color-accent);
}
.file-upload-text {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}
.file-preview {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--color-bg);
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-align: left;
    position: relative;
    z-index: 20; /* Above the invisible file input */
}
.file-preview-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}
.file-preview-name {
    font-size: 0.8rem;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}
.file-preview-size {
    font-size: 0.65rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}
.file-preview-img {
    width: 36px;
    height: 36px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}
.decrypted-file-img {
    width: 100%;
    max-height: 350px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    background: rgba(0,0,0,0.2);
    border: 1px dashed var(--color-border);
}
.qrcode-container {
    display: flex;
    justify-content: center;
    background: #fff;
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin: 0 auto;
}
.qr-grid {
    display: flex;
    justify-content: center;
}

/* ---------- Content Specific Viewers ---------- */
.viewer-json {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 1rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    overflow-x: auto;
    line-height: 1.5;
    margin: 0;
    text-align: left;
}
.json-key { color: #9cdcfe; }
.json-string { color: #ce9178; }
.json-number { color: #b5cea8; }
.json-boolean { color: #569cd6; font-weight: bold; }
.json-null { color: #569cd6; font-style: italic; }

.viewer-seed {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.75rem;
    margin: 0;
    padding: 0;
}
.seed-word {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
    transition: all 0.2s ease;
}
.seed-word:hover {
    border-color: var(--color-accent);
    background: rgba(180, 255, 0, 0.05);
}
.seed-index {
    color: var(--color-text-muted);
    font-size: 0.7rem;
    width: 1.2rem;
}
.seed-text {
    font-weight: 500;
    font-family: var(--font-mono);
    color: var(--color-text);
    transition: all 0.2s ease;
}
.seed-text.blurred {
    filter: blur(4px);
    color: transparent;
    text-shadow: 0 0 8px rgba(255,255,255,0.5);
}
.seed-word:hover .seed-text.blurred {
    filter: blur(0px);
    color: var(--color-text);
    text-shadow: none;
}

.viewer-cc-wrapper {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
}
.viewer-cc {
    background: linear-gradient(135deg, #1f1f1f, #111);
    border-radius: 12px;
    padding: 1.5rem;
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
    position: relative;
    border: 1px solid #333;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    color: #fff;
    font-family: var(--font-mono);
    text-align: left;
}
.cc-chip {
    width: 40px;
    height: 30px;
    background: linear-gradient(135deg, #e0c879, #b89b43);
    border-radius: 4px;
    margin-bottom: 1.5rem;
}
.cc-number {
    font-size: 1.3rem;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}
.cc-details {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #aaa;
}
.cc-val {
    color: #fff;
    font-size: 0.95rem;
    margin-top: 0.2rem;
}
.cc-cvc.blurred {
    filter: blur(4px);
    transition: filter 0.2s ease;
    cursor: pointer;
}
.cc-cvc.blurred:hover {
    filter: blur(0px);
}

#file-remove-btn {
    color: var(--color-text-muted);
    padding: 0.3rem;
}
#file-remove-btn:hover {
    color: var(--color-error);
}
.decrypted-file-container {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--color-border);
}


/* ---------- Responsive ---------- */
@media (max-width: 520px) {
    .container { padding: 0 0.85rem 2rem; }
    .card { padding: 1.25rem 1rem; }
    .options-grid { grid-template-columns: 1fr; }
    .url-display { flex-direction: column; }
    .url-display .btn { width: 100%; }
    .card__title { font-size: 1.3rem; }
    .logo__text { font-size: 1.8rem; }
    .pwgen-toggles { gap: 0.3rem; }
    .pwgen-actions { flex-direction: column; }
    .burn-title { font-size: 1.5rem; }
}