/* KeyGenX - Privacy-First Password Tool Styles */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1f1f1f;
    --bg-card: #181818;
    --text-primary: #f5f5f5;
    --text-secondary: #a3a3a3;
    --text-muted: #737373;
    --accent-green: #10b981;
    --accent-yellow: #f59e0b;
    --accent-red: #ef4444;
    --accent-blue: #3b82f6;
    --border-color: #2a2a2a;
    --border-hover: #404040;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Consolas', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    --radius: 8px;
    --radius-sm: 4px;
}

[data-theme="modern"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem;
}

.header {
    margin-bottom: 1.5rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo svg {
    color: var(--accent-green);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

.trust-banner {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--accent-green);
}

.btn-primary {
    padding: 0.75rem 1.5rem;
    background: var(--accent-green);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: #0d9668;
    transform: translateY(-1px);
}

.btn-secondary {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
}

.btn-danger {
    padding: 0.5rem 1rem;
    background: var(--accent-red);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 0.85rem;
    cursor: pointer;
}

.btn-danger:hover {
    background: #dc2626;
}

.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    overflow-x: auto;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: transparent;
    border: none;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.tab-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--bg-tertiary);
    color: var(--accent-green);
}

.tab-content {
    display: none;
}

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

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.card h2 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.input-group {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.input-group input {
    flex: 1;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1.1rem;
    font-family: var(--font-mono);
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-green);
}

.visibility-btn {
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
    cursor: pointer;
}

.visibility-btn:hover {
    color: var(--text-primary);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-green);
}

.reuse-warning-section {
    margin-top: 0.5rem;
}

.reuse-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
}

.reuse-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-yellow);
}

.reuse-warning {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius);
}

.reuse-warning.hidden {
    display: none;
}

.reuse-alert {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.reuse-alert svg {
    flex-shrink: 0;
    color: var(--accent-red);
}

.reuse-text strong {
    color: var(--accent-red);
    display: block;
    margin-bottom: 0.25rem;
}

.reuse-text p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.confidence-display {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.confidence-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-weight: 600;
    transition: all 0.2s;
}

.confidence-badge.confidence-predictable {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--accent-red);
}

.confidence-badge.confidence-adequate {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--accent-yellow);
}

.confidence-badge.confidence-robust {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--accent-green);
}

.confidence-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-weight: bold;
    font-size: 0.9rem;
}

.confidence-predictable .confidence-icon {
    background: var(--accent-red);
    color: white;
}

.confidence-adequate .confidence-icon {
    background: var(--accent-yellow);
    color: #000;
}

.confidence-robust .confidence-icon {
    background: var(--accent-green);
    color: white;
}

.confidence-explanation {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.threat-toggle-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

@media (min-width: 640px) {
    .threat-toggle-group {
        grid-template-columns: repeat(4, 1fr);
    }
}

.threat-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.75rem 0.5rem;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.threat-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.threat-btn.active {
    border-color: var(--accent-green);
    background: rgba(16, 185, 129, 0.1);
    color: var(--text-primary);
}

.threat-icon {
    color: var(--text-muted);
}

.threat-btn.active .threat-icon {
    color: var(--accent-green);
}

.threat-label {
    font-size: 0.75rem;
    font-weight: 600;
}

.threat-desc {
    font-size: 0.65rem;
    color: var(--text-muted);
}

.threat-description {
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.crack-time-display {
    text-align: center;
}

.crack-time-main {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.crack-time-value {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-green);
    line-height: 1;
}

.crack-time-unit {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.crack-time-confidence {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.confidence-label-small {
    color: var(--text-secondary);
}

.what-matters-section {
    text-align: left;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.what-matters-section h4 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.what-matters-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.advice-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.advice-icon {
    flex-shrink: 0;
    color: var(--text-muted);
}

.advice-item.priority-high {
    background: rgba(239, 68, 68, 0.1);
}

.advice-item.priority-high .advice-icon {
    color: var(--accent-red);
}

.advice-item.priority-medium {
    background: rgba(245, 158, 11, 0.1);
}

.advice-item.priority-medium .advice-icon {
    color: var(--accent-yellow);
}

.advice-item.priority-success {
    background: rgba(16, 185, 129, 0.1);
}

.advice-item.priority-success .advice-icon {
    color: var(--accent-green);
}

.entropy-display {
    margin-bottom: 1rem;
}

.entropy-main {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.entropy-value {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-green);
}

.entropy-unit {
    font-size: 1rem;
    color: var(--text-secondary);
}

.entropy-bar-container {
    position: relative;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: visible;
}

.entropy-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-red), var(--accent-yellow), var(--accent-green));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.composition-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.composition-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

.composition-item.active {
    background: rgba(16, 185, 129, 0.1);
}

.composition-item.inactive {
    opacity: 0.5;
}

.composition-label {
    color: var(--text-secondary);
}

.composition-value {
    font-weight: 600;
}

.pattern-warnings {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pattern-safe {
    color: var(--accent-green);
    font-size: 0.85rem;
}

.pattern-warning {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.pattern-warning.severity-high {
    background: rgba(239, 68, 68, 0.1);
}

.pattern-warning.severity-high .pattern-icon {
    color: var(--accent-red);
}

.pattern-icon {
    font-weight: bold;
}

.breach-display {
    margin-top: 0.75rem;
}

.breach-status {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.breach-status.checking {
    color: var(--text-muted);
}

.breach-status.safe {
    color: var(--accent-green);
}

.breach-status.breached {
    color: var(--accent-red);
}

.breach-count {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.generator-modes {
    display: flex;
    gap: 0.5rem;
}

.generator-mode-btn {
    flex: 1;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.generator-mode-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.generator-mode-btn.active {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.generator-panel {
    display: none;
}

.generator-panel.active {
    display: block;
}

.option-group {
    margin-bottom: 1rem;
}

.option-group label {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.option-group input[type="range"] {
    width: 100%;
    accent-color: var(--accent-green);
}

.separator-input {
    width: 60px;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    text-align: center;
    font-family: var(--font-mono);
}

.generated-output {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
}

.password-output {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    word-break: break-all;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.quick-analysis {
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.output-actions {
    display: flex;
    gap: 0.5rem;
}

.copy-btn,
.use-password-btn,
.save-to-vault-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.copy-btn:hover,
.use-password-btn:hover,
.save-to-vault-btn:hover {
    background: var(--bg-primary);
    border-color: var(--accent-green);
}

.footer {
    margin-top: 2rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer a {
    color: var(--accent-blue);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.hidden {
    display: none !important;
}

@media (max-width: 640px) {
    .container {
        padding: 0.75rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .crack-time-value {
        font-size: 2rem;
    }
    
    .entropy-value {
        font-size: 2rem;
    }
    
    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .tab-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .threat-toggle-group {
        grid-template-columns: repeat(2, 1fr);
    }
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}