/* === ONBOARDING.CSS ===
   assets/css/onboarding.css
   НАЗНАЧЕНИЕ: Стили для мини-туториала "Что нового"
   СВЯЗИ: assets/js/onboarding.js, index.php
   РАЗМЕР: ~150 строк
*/

/* ===================== OVERLAY ===================== */

.tf-onboarding-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: tfOnboardFadeIn 300ms ease;
}

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

/* ===================== КАРТОЧКА ===================== */

.tf-onboarding-card {
    width: 90%;
    max-width: 460px;
    background: var(--card-bg, hsl(10, 10%, 6%));
    border: 1px solid var(--border-color, hsl(10, 10%, 15%));
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    animation: tfOnboardSlideUp 300ms ease;
}

@keyframes tfOnboardSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===================== HEADER ===================== */

.tf-onboarding-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color, hsl(10, 10%, 15%));
}

.tf-onboarding-header-title {
    font-family: var(--font-display, 'JetBrains Mono', monospace);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary, hsl(0, 0%, 92%));
    letter-spacing: 0.3px;
}

.tf-onboarding-close {
    background: none;
    border: none;
    color: var(--text-muted, hsl(0, 0%, 55%));
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    font-size: 18px;
    transition: color 0.15s;
}

.tf-onboarding-close:hover {
    color: var(--text-primary, hsl(0, 0%, 92%));
}

/* ===================== СЛАЙД ===================== */

.tf-onboarding-slide {
    padding: 28px 24px 20px;
    text-align: center;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    animation: tfOnboardSlideFade 200ms ease;
}

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

.tf-onboarding-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--color-primary, hsl(217, 91%, 60%)), var(--color-secondary, hsl(262, 65%, 65%)));
    color: #fff;
    margin-bottom: 4px;
}

.tf-onboarding-icon svg {
    width: 24px;
    height: 24px;
}

.tf-onboarding-slide-title {
    font-family: var(--font-display, 'JetBrains Mono', monospace);
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary, hsl(0, 0%, 92%));
}

.tf-onboarding-slide-text {
    font-size: 13px;
    line-height: 1.55;
    color: var(--text-muted, hsl(0, 0%, 65%));
    max-width: 380px;
}

.tf-onboarding-slide-hint {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: var(--color-primary, hsl(217, 91%, 60%));
    background: rgba(59, 130, 246, 0.1);
    padding: 4px 10px;
    border-radius: 20px;
    margin-top: 4px;
}

/* ===================== ПОЯСНЕНИЕ (?) ===================== */

.tf-onboarding-explain-wrap {
    position: relative;
    margin-top: 6px;
}

.tf-onboarding-explain-trigger {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    cursor: help;
    color: var(--text-muted, hsl(0, 0%, 55%));
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 12px;
    border: 1px solid var(--border-color, hsl(10, 10%, 15%));
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.tf-onboarding-explain-trigger:hover {
    color: var(--color-primary, hsl(217, 91%, 60%));
    border-color: var(--color-primary, hsl(217, 91%, 60%));
    background: rgba(59, 130, 246, 0.08);
}

.tf-onboarding-explain-label {
    line-height: 1;
}

.tf-onboarding-explain-tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    width: 340px;
    max-width: 90vw;
    background: var(--bg-primary, hsl(220, 13%, 5%));
    border: 1px solid var(--border-color, hsl(10, 10%, 15%));
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-primary, hsl(0, 0%, 92%));
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    z-index: 10;
    text-align: left;
    animation: tfOnboardTooltipIn 150ms ease;
}

@keyframes tfOnboardTooltipIn {
    from { opacity: 0; transform: translateX(-50%) translateY(4px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.tf-onboarding-explain-tooltip::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background: var(--bg-primary, hsl(220, 13%, 5%));
    border-right: 1px solid var(--border-color, hsl(10, 10%, 15%));
    border-bottom: 1px solid var(--border-color, hsl(10, 10%, 15%));
}

.tf-onboarding-explain-trigger:hover + .tf-onboarding-explain-tooltip {
    display: block;
}

/* Light theme */
html.light-theme .tf-onboarding-explain-tooltip {
    background: hsl(0, 0%, 100%);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

html.light-theme .tf-onboarding-explain-tooltip::after {
    background: hsl(0, 0%, 100%);
}

/* ===================== FOOTER ===================== */

.tf-onboarding-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-top: 1px solid var(--border-color, hsl(10, 10%, 15%));
    gap: 8px;
}

/* Nav: стрелки + прогресс */
.tf-onboarding-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
}

.tf-onboarding-arrow {
    background: none;
    border: 1px solid var(--border-color, hsl(10, 10%, 15%));
    color: var(--text-muted, hsl(0, 0%, 55%));
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s, border-color 0.15s;
    flex-shrink: 0;
}

.tf-onboarding-arrow:hover {
    color: var(--text-primary, hsl(0, 0%, 92%));
    border-color: var(--text-muted, hsl(0, 0%, 55%));
}

.tf-onboarding-arrow:disabled {
    opacity: 0.3;
    cursor: default;
}

.tf-onboarding-progress-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 60px;
}

.tf-onboarding-progress-bar {
    width: 60px;
    height: 3px;
    background: var(--border-color, hsl(10, 10%, 15%));
    border-radius: 2px;
    overflow: hidden;
}

.tf-onboarding-progress-fill {
    height: 100%;
    background: var(--color-primary, hsl(217, 91%, 60%));
    border-radius: 2px;
    transition: width 0.25s ease;
}

.tf-onboarding-skip {
    background: none;
    border: none;
    color: var(--text-muted, hsl(0, 0%, 55%));
    font-size: 12px;
    cursor: pointer;
    padding: 6px 8px;
    transition: color 0.15s;
    white-space: nowrap;
    flex-shrink: 0;
}

.tf-onboarding-skip:hover {
    color: var(--text-primary, hsl(0, 0%, 92%));
}

.tf-onboarding-next {
    background: var(--color-primary, hsl(217, 91%, 60%));
    color: #fff;
    border: none;
    font-size: 12px;
    font-weight: 600;
    padding: 7px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: opacity 0.15s;
    white-space: nowrap;
    flex-shrink: 0;
}

.tf-onboarding-next:hover {
    opacity: 0.85;
}

.tf-onboarding-counter {
    font-size: 11px;
    color: var(--text-muted, hsl(0, 0%, 55%));
    white-space: nowrap;
}

/* ===================== LIGHT THEME ===================== */

html.light-theme .tf-onboarding-overlay {
    background: rgba(0, 0, 0, 0.35);
}

html.light-theme .tf-onboarding-card {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}