/* ================================================
   CENTINELA — Design System v2.0
   Tu guardián digital contra enlaces peligrosos
   ================================================ */

/* ---- Custom Properties ---- */
:root {
    /* Background */
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2035;
    --bg-elevated: #1f2a42;
    --bg-glass: rgba(17, 24, 39, 0.85);

    /* Brand Colors */
    --color-primary: #FF6B35;
    --color-primary-light: #FF8F5E;
    --color-primary-dark: #E55A25;
    --color-primary-gradient: linear-gradient(135deg, #FF6B35, #FF8F5E);
    --color-primary-glow: rgba(255, 107, 53, 0.35);

    /* Semantic Colors */
    --color-safe: #10B981;
    --color-safe-light: #34D399;
    --color-safe-bg: rgba(16, 185, 129, 0.12);
    --color-safe-glow: rgba(16, 185, 129, 0.4);

    --color-danger: #EF4444;
    --color-danger-light: #F87171;
    --color-danger-bg: rgba(239, 68, 68, 0.12);
    --color-danger-glow: rgba(239, 68, 68, 0.4);

    --color-warning: #F59E0B;
    --color-warning-light: #FBBF24;
    --color-warning-bg: rgba(245, 158, 11, 0.12);
    --color-warning-glow: rgba(245, 158, 11, 0.4);

    --color-info: #3B82F6;

    /* Text */
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --text-inverted: #0a0e1a;

    /* Borders */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(255, 107, 53, 0.6);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1.125rem;
    --fs-lg: 1.25rem;
    --fs-xl: 1.5rem;
    --fs-2xl: 1.875rem;
    --fs-3xl: 2.25rem;
    --fs-4xl: 3rem;
    --fw-normal: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    --fw-extrabold: 800;
    --lh-tight: 1.2;
    --lh-normal: 1.5;
    --lh-relaxed: 1.7;

    /* Spacing */
    --sp-xs: 0.25rem;
    --sp-sm: 0.5rem;
    --sp-md: 1rem;
    --sp-lg: 1.5rem;
    --sp-xl: 2rem;
    --sp-2xl: 3rem;
    --sp-3xl: 4rem;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 28px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4);
    --shadow-glow-primary: 0 0 24px var(--color-primary-glow);
    --shadow-glow-safe: 0 0 32px var(--color-safe-glow);
    --shadow-glow-danger: 0 0 32px var(--color-danger-glow);
    --shadow-glow-warning: 0 0 32px var(--color-warning-glow);

    /* Transitions */
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --t-fast: 150ms;
    --t-normal: 250ms;
    --t-slow: 400ms;
    --t-slower: 600ms;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--fs-base);
    font-weight: var(--fw-normal);
    line-height: var(--lh-normal);
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Ambient background glow */
body::before {
    content: '';
    position: fixed;
    top: -40%;
    left: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    bottom: -30%;
    right: -20%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.04) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

img, svg { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }
a { color: var(--color-primary); text-decoration: none; }
textarea, input { font-family: inherit; }

/* ---- App Container ---- */
#app {
    position: relative;
    z-index: 1;
    max-width: 480px;
    margin: 0 auto;
    padding: var(--sp-md);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

/* ---- Screen System ---- */
.screen {
    display: none;
    flex-direction: column;
    flex: 1;
    animation: fadeSlideUp var(--t-slow) var(--ease-out) both;
}

.screen.active {
    display: flex;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---- Header ---- */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-sm) 0 var(--sp-lg) 0;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: var(--sp-sm);
}

.header-logo {
    font-size: 2rem;
    line-height: 1;
    filter: drop-shadow(0 0 8px var(--color-primary-glow));
}

.header-title {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-extrabold);
    background: var(--color-primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-sm);
    padding: var(--sp-md) var(--sp-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
    line-height: 1;
    transition: all var(--t-normal) var(--ease-out);
    white-space: nowrap;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0);
    transition: background var(--t-fast);
}

.btn:active::after {
    background: rgba(255, 255, 255, 0.1);
}

.btn-primary {
    background: var(--color-primary-gradient);
    color: white;
    box-shadow: var(--shadow-md), var(--shadow-glow-primary);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg), 0 0 32px var(--color-primary-glow);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-elevated);
    border-color: rgba(255, 255, 255, 0.15);
}

.btn-secondary:active {
    transform: scale(0.98);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
}

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

.btn-xl {
    padding: var(--sp-lg) var(--sp-xl);
    font-size: var(--fs-lg);
    border-radius: var(--radius-xl);
    min-height: 56px;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--t-fast);
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.btn-icon-light {
    color: white;
}

.btn-text {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--fs-base);
    font-weight: var(--fw-medium);
    padding: var(--sp-sm) var(--sp-md);
    transition: color var(--t-fast);
}

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

.btn-text-sm {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    padding: var(--sp-xs) var(--sp-sm);
    transition: color var(--t-fast);
}

.btn-text-sm:hover {
    color: var(--color-danger);
}

.btn-paste {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-elevated);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    transition: all var(--t-fast);
}

.btn-paste:hover {
    background: var(--color-primary);
    color: white;
}

/* ---- Input Section ---- */
.input-section {
    display: flex;
    flex-direction: column;
    gap: var(--sp-md);
}

.input-label {
    display: flex;
    align-items: center;
    gap: var(--sp-sm);
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
}

.input-label svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.input-wrapper {
    position: relative;
}

.url-input {
    width: 100%;
    padding: var(--sp-lg);
    padding-right: 56px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--fs-base);
    line-height: var(--lh-normal);
    resize: none;
    transition: all var(--t-normal) var(--ease-out);
    outline: none;
}

.url-input::placeholder {
    color: var(--text-muted);
}

.url-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow), var(--shadow-md);
    background: var(--bg-tertiary);
}

/* ---- Divider ---- */
.divider {
    display: flex;
    align-items: center;
    gap: var(--sp-md);
    margin: var(--sp-xl) 0;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.divider span {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    white-space: nowrap;
}

/* ---- Secondary Actions ---- */
.secondary-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-md);
}

.secondary-actions .btn {
    flex-direction: column;
    gap: var(--sp-sm);
    padding: var(--sp-lg);
    border-radius: var(--radius-lg);
    font-size: var(--fs-sm);
    min-height: 88px;
}

.secondary-actions .btn svg {
    opacity: 0.9;
}

/* ---- Tip Card ---- */
.tip-card {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-md);
    padding: var(--sp-lg);
    margin-top: var(--sp-xl);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(139, 92, 246, 0.06));
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-lg);
    animation: fadeIn var(--t-slower) var(--ease-out);
}

.tip-icon {
    font-size: 1.5rem;
    line-height: 1;
    flex-shrink: 0;
    margin-top: 2px;
}

.tip-content {
    display: flex;
    flex-direction: column;
    gap: var(--sp-xs);
}

.tip-label {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--color-info);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tip-content p {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: var(--lh-relaxed);
}

/* ---- History Section ---- */
.history-section {
    margin-top: var(--sp-xl);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--sp-md);
}

.history-title {
    display: flex;
    align-items: center;
    gap: var(--sp-sm);
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
}

.history-title svg {
    color: var(--text-secondary);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--sp-sm);
}

.history-item {
    display: flex;
    align-items: center;
    gap: var(--sp-md);
    padding: var(--sp-md) var(--sp-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--t-fast);
    animation: fadeIn var(--t-normal) var(--ease-out);
}

.history-item:hover {
    background: var(--bg-tertiary);
    border-color: rgba(255, 255, 255, 0.12);
}

.history-item:active {
    transform: scale(0.99);
}

.history-status {
    font-size: 1.25rem;
    line-height: 1;
    flex-shrink: 0;
}

.history-info {
    flex: 1;
    min-width: 0;
}

.history-url {
    font-size: var(--fs-sm);
    color: var(--text-primary);
    font-weight: var(--fw-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-date {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    margin-top: 2px;
}

.history-empty {
    text-align: center;
    padding: var(--sp-xl);
    color: var(--text-muted);
    font-size: var(--fs-sm);
}

.history-empty.hidden {
    display: none;
}

/* ---- Scanner Screen ---- */
#screen-scanner {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: #000;
    padding: 0;
}

.scanner-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: var(--sp-md);
    padding: var(--sp-lg);
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent);
}

.scanner-title {
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    color: white;
}

.qr-reader-container {
    width: 100%;
    height: 100%;
}

.qr-reader-container video {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
}

.scanner-hint {
    position: absolute;
    bottom: max(env(safe-area-inset-bottom), 24px);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-sm);
    background: rgba(0, 0, 0, 0.6);
    padding: var(--sp-sm) var(--sp-lg);
    border-radius: var(--radius-full);
    backdrop-filter: blur(10px);
    white-space: nowrap;
}

/* ---- Loading Screen ---- */
#screen-loading {
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--sp-lg);
}

.shield-animation {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.shield-icon {
    font-size: 3.5rem;
    z-index: 2;
    animation: shieldPulse 1.8s var(--ease-in-out) infinite;
}

@keyframes shieldPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

.shield-rings {
    position: absolute;
    inset: 0;
}

.ring {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-primary);
    opacity: 0;
    animation: ringExpand 2.4s var(--ease-out) infinite;
}

.ring-2 { animation-delay: 0.8s; }
.ring-3 { animation-delay: 1.6s; }

@keyframes ringExpand {
    0% {
        transform: scale(0.5);
        opacity: 0.6;
    }
    100% {
        transform: scale(1.8);
        opacity: 0;
    }
}

.loading-title {
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
}

.loading-subtitle {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-top: calc(var(--sp-sm) * -1);
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-top: var(--sp-sm);
}

.loading-bar-fill {
    height: 100%;
    width: 40%;
    background: var(--color-primary-gradient);
    border-radius: var(--radius-full);
    animation: loadingSlide 1.5s ease-in-out infinite;
}

@keyframes loadingSlide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

/* ---- Result Screen ---- */
#screen-result {
    justify-content: flex-start;
    padding-top: var(--sp-xl);
}

.result-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--sp-lg);
}

.result-traffic-light {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    animation: resultBounce var(--t-slower) var(--ease-spring);
}

@keyframes resultBounce {
    from {
        transform: scale(0.3);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.result-traffic-light.safe {
    background: var(--color-safe-bg);
    box-shadow: var(--shadow-glow-safe);
}

.result-traffic-light.danger {
    background: var(--color-danger-bg);
    box-shadow: var(--shadow-glow-danger);
    animation: resultBounce var(--t-slower) var(--ease-spring), dangerPulse 1.5s ease-in-out infinite 0.6s;
}

@keyframes dangerPulse {
    0%, 100% { box-shadow: var(--shadow-glow-danger); }
    50% { box-shadow: 0 0 48px var(--color-danger-glow); }
}

.result-traffic-light.warning {
    background: var(--color-warning-bg);
    box-shadow: var(--shadow-glow-warning);
}

.result-title {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-extrabold);
    line-height: var(--lh-tight);
}

.result-title.safe { color: var(--color-safe); }
.result-title.danger { color: var(--color-danger); }
.result-title.warning { color: var(--color-warning); }

.result-message {
    font-size: var(--fs-base);
    color: var(--text-secondary);
    line-height: var(--lh-relaxed);
    max-width: 340px;
}

.result-url-card {
    width: 100%;
    padding: var(--sp-md) var(--sp-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: left;
}

.result-url-label {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: var(--fw-semibold);
}

.result-url {
    font-size: var(--fs-sm);
    color: var(--text-primary);
    word-break: break-all;
    margin-top: var(--sp-xs);
    font-weight: var(--fw-medium);
}

/* Result Details (Technical Report) */
.result-details {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.result-details-toggle {
    display: flex;
    align-items: center;
    gap: var(--sp-sm);
    padding: var(--sp-md) var(--sp-lg);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--t-fast);
    list-style: none;
}

.result-details-toggle::-webkit-details-marker { display: none; }

.result-details-toggle:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.result-details-toggle svg {
    color: var(--color-info);
    flex-shrink: 0;
}

.result-details[open] .result-details-toggle {
    border-bottom: 1px solid var(--border-color);
}

.result-details-body {
    padding: var(--sp-lg);
    animation: fadeIn var(--t-normal) var(--ease-out);
}

.detail-grid {
    display: grid;
    gap: var(--sp-md);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-sm) 0;
    font-size: var(--fs-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.detail-row:last-child {
    border-bottom: none;
}

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

.detail-value {
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
}

.detail-value.safe { color: var(--color-safe); }
.detail-value.danger { color: var(--color-danger); }
.detail-value.warning { color: var(--color-warning); }

.detail-engines {
    margin-top: var(--sp-md);
    padding-top: var(--sp-md);
    border-top: 1px solid var(--border-color);
}

.detail-engines-title {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    margin-bottom: var(--sp-sm);
}

.engine-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-xs);
}

.engine-tag {
    font-size: var(--fs-xs);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: var(--fw-medium);
}

.engine-tag.malicious {
    background: var(--color-danger-bg);
    color: var(--color-danger-light);
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.engine-tag.clean {
    background: var(--color-safe-bg);
    color: var(--color-safe-light);
    border: 1px solid rgba(16, 185, 129, 0.25);
}

/* Result Actions */
.result-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-md);
    width: 100%;
}

.result-actions .btn {
    padding: var(--sp-md);
}

/* ---- Overlay / Dialogs ---- */
.overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sp-lg);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn var(--t-normal) var(--ease-out);
}

.overlay.hidden {
    display: none;
}

.dialog {
    width: 100%;
    max-width: 420px;
    max-height: 80vh;
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    animation: dialogSlideUp var(--t-slow) var(--ease-spring);
}

@keyframes dialogSlideUp {
    from {
        transform: translateY(32px) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-lg) var(--sp-xl);
    border-bottom: 1px solid var(--border-color);
}

.dialog-title {
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
}

.dialog-body {
    padding: var(--sp-xl);
}

.dialog-error .dialog-body {
    text-align: center;
}

.info-item {
    margin-bottom: var(--sp-xl);
}

.info-item:last-of-type {
    margin-bottom: 0;
}

.info-item h3 {
    font-size: var(--fs-base);
    font-weight: var(--fw-bold);
    margin-bottom: var(--sp-sm);
}

.info-item p {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: var(--lh-relaxed);
}

.info-version {
    margin-top: var(--sp-xl);
    padding-top: var(--sp-lg);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.info-version p {
    font-size: var(--fs-xs);
    color: var(--text-muted);
}

/* ---- Onboarding ---- */
#onboarding {
    z-index: 300;
    background: var(--bg-primary);
}

.onboarding-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 380px;
    width: 100%;
    padding: var(--sp-xl);
}

.onboarding-slides {
    position: relative;
    width: 100%;
    min-height: 280px;
    display: flex;
    align-items: center;
}

.onboarding-slide {
    position: absolute;
    inset: 0;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--sp-lg);
    animation: fadeSlideUp var(--t-slow) var(--ease-out);
}

.onboarding-slide.active {
    display: flex;
}

.onboarding-icon {
    font-size: 4rem;
    line-height: 1;
    margin-bottom: var(--sp-sm);
    animation: gentleBounce 2s var(--ease-in-out) infinite;
}

@keyframes gentleBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.onboarding-slide h2 {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-extrabold);
    color: var(--text-primary);
    line-height: var(--lh-tight);
}

.onboarding-slide p {
    font-size: var(--fs-base);
    color: var(--text-secondary);
    line-height: var(--lh-relaxed);
    max-width: 320px;
}

.onboarding-dots {
    display: flex;
    gap: var(--sp-sm);
    margin: var(--sp-xl) 0;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--bg-elevated);
    transition: all var(--t-normal) var(--ease-out);
}

.dot.active {
    background: var(--color-primary);
    width: 28px;
}

#onboarding-next {
    width: 100%;
    margin-bottom: var(--sp-sm);
}

#onboarding-skip {
    font-size: var(--fs-sm);
}

/* ---- Toast ---- */
.toast {
    position: fixed;
    bottom: max(env(safe-area-inset-bottom, 16px), 16px);
    left: 50%;
    transform: translateX(-50%) translateY(0);
    padding: var(--sp-md) var(--sp-xl);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    white-space: nowrap;
    z-index: 400;
    box-shadow: var(--shadow-lg);
    animation: toastIn var(--t-slow) var(--ease-spring);
}

.toast.hidden {
    display: none;
}

@keyframes toastIn {
    from {
        transform: translateX(-50%) translateY(24px);
        opacity: 0;
    }
    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

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

/* ---- Utility: Animation helpers ---- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ---- Safe area padding for notch phones ---- */
@supports (padding: max(0px)) {
    #app {
        padding-top: max(var(--sp-md), env(safe-area-inset-top));
        padding-bottom: max(var(--sp-md), env(safe-area-inset-bottom));
        padding-left: max(var(--sp-md), env(safe-area-inset-left));
        padding-right: max(var(--sp-md), env(safe-area-inset-right));
    }
}

/* ---- Scrollbar styling ---- */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: var(--radius-full);
}

/* ---- Focus visible for keyboard nav ---- */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ---- Print styles ---- */
@media print {
    body { background: white; color: black; }
    .header, .btn, .tip-card, .toast, .overlay, .secondary-actions, .divider { display: none !important; }
}