/* === KZ-COMPONENTS.CSS === */
/* assets/css/kz-components.css */
/* НАЗНАЧЕНИЕ: Компоненты дизайн-системы - кнопки, карточки, метрики, формы */
/* СВЯЗИ: требует kz-theme.css (CSS variables) */
/* РАЗМЕР: ~320 строк */

/* === КНОПКИ === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 16px;
    padding: 14px 32px;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: transform 0.3s var(--ease-out-quart), box-shadow 0.3s, background 0.3s, border-color 0.3s;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--kz-gold); outline-offset: 3px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* === CTA кнопка (главная, золотая) === */
.btn-primary {
    background: var(--gradient-gold);
    color: oklch(15% 0.05 80);
    font-size: 18px;
    padding: 18px 48px;
    box-shadow: var(--shadow-gold);
    border: none;
}
.btn-primary::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, oklch(100% 0 0 / 0.3), transparent);
    transition: left 0.6s;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold), 0 8px 24px oklch(0% 0 0 / 0.3);
}
.btn-primary:hover::after { left: 100%; }
.btn-primary:active { transform: translateY(0); }

/* === Secondary кнопка (outline) === */
.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-strong);
}
.btn-secondary:hover {
    border-color: var(--kz-gold);
    color: var(--kz-gold);
    background: color-mix(in oklch, var(--kz-gold), transparent 92%);
}

/* === Ghost кнопка === */
.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    text-transform: none;
    letter-spacing: normal;
}
.btn-ghost:hover { color: var(--kz-gold); }

/* === Size variants === */
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-lg { padding: 22px 48px; font-size: 18px; }

.btn-block { display: flex; width: 100%; }

/* Mobile: кнопки компактнее, без обрезания текста */
@media (max-width: 760px) {
    .btn-primary { padding: 16px 24px; font-size: 15px; letter-spacing: 0.3px; }
    .btn-lg { padding: 18px 28px; font-size: 15px; }
    .btn { letter-spacing: 0.3px; }
}
@media (max-width: 420px) {
    .btn-primary { padding: 15px 18px; font-size: 13px; }
    .btn-lg { padding: 16px 22px; font-size: 13px; }
}

/* === КАРТОЧКИ === */
.kz-card {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-left: 2px solid var(--kz-gold);
    border-radius: 6px;
    padding: 24px;
    transition: transform 0.3s var(--ease-out-quart), border-color 0.3s, box-shadow 0.3s;
    position: relative;
}
.kz-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
}
.kz-card h3 {
    font-family: var(--font-display);
    font-size: 20px;
    margin: 0 0 12px;
    color: var(--text-primary);
}
.kz-card p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 15px;
    line-height: 1.5;
}

/* Featured карточка (с сиянием) */
.kz-card.kz-card-featured {
    border-color: var(--border-gold);
    box-shadow: var(--shadow-gold);
}

/* === CHECKBOX карточка (для блока преимуществ) === */
.kz-check-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: all 0.3s var(--ease-out-quart);
}
.kz-check-item:hover {
    border-color: var(--kz-gold);
    transform: translateX(4px);
}
.kz-check-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gradient-gold);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: oklch(15% 0.05 80);
    font-weight: 700;
    font-size: 16px;
}
.kz-check-text {
    font-size: 17px;
    font-weight: 500;
    color: var(--text-primary);
}

/* === НОМЕР-КАРТОЧКА (для блока результатов 01-05) === */
.kz-num-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 24px 32px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--kz-gold);
    border-radius: 6px;
    transition: all 0.3s var(--ease-out-quart);
}
.kz-num-card:hover {
    border-left-width: 5px;
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}
.kz-num {
    font-family: var(--font-mono);
    font-size: 48px;
    font-weight: 700;
    color: var(--kz-gold);
    line-height: 1;
    flex-shrink: 0;
    min-width: 80px;
}
.kz-num-text {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-display);
}

/* === МЕТРИКА (кабинет) === */
.kz-metric {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-radius: 6px;
    border-top: 2px solid var(--kz-gold);
}
.kz-metric-value {
    font-family: var(--font-mono);
    font-size: 32px;
    font-weight: 600;
    color: var(--accent-primary);
    line-height: 1;
}
.kz-metric-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

/* === БЛОК БОЛЕЙ (темный акцент) === */
.kz-pain-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 24px;
    background: color-mix(in oklch, var(--bg-secondary), var(--kz-sky-night) 20%);
    border: 1px solid var(--border);
    border-left: 3px solid var(--kz-sky-deep);
    border-radius: 6px;
    transition: border-left-color 0.3s;
}
.kz-pain-item:hover { border-left-color: var(--kz-gold); }
.kz-pain-icon {
    flex-shrink: 0;
    width: 24px; height: 24px;
    color: var(--text-muted);
}
.kz-pain-text {
    font-size: 17px;
    color: var(--text-primary);
    font-weight: 500;
}

/* === ТАЙМЕР === */
.kz-timer {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin: 24px 0 28px;
}
.kz-timer-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 92px;
    height: 104px;
    background: var(--gradient-card);
    border: 1px solid var(--border-gold);
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}
.kz-timer-block::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 30%;
    background: linear-gradient(180deg, var(--kz-gold-glow) 0%, transparent 100%);
    opacity: 0.3;
    pointer-events: none;
}
.kz-timer-value {
    font-family: var(--font-mono);
    font-size: 42px;
    font-weight: 600;
    color: var(--kz-gold);
    line-height: 1;
    z-index: 1;
}
.kz-timer-label {
    font-family: var(--font-body);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-top: 6px;
    z-index: 1;
}
.kz-timer-sep {
    font-family: var(--font-mono);
    font-size: 36px;
    color: var(--kz-gold);
    opacity: 0.5;
    line-height: 1;
    padding-bottom: 18px;
}

@media (max-width: 760px) {
    .kz-timer-block { width: 68px; height: 82px; }
    .kz-timer-value { font-size: 28px; }
    .kz-timer-label { font-size: 9px; letter-spacing: 0.5px; }
    .kz-timer-sep { display: none; }
    .kz-timer { gap: 8px; justify-content: flex-start; }
}
@media (max-width: 420px) {
    .kz-timer-block { width: 62px; height: 74px; }
    .kz-timer-value { font-size: 24px; }
    .kz-timer { gap: 6px; }
}

/* === ФОРМА === */
.kz-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 560px;
    margin: 0 auto;
}
.kz-form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.kz-form-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.kz-form-input {
    font-family: var(--font-body);
    font-size: 17px;
    padding: 18px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    color: var(--text-primary);
    transition: border-color 0.2s, background 0.2s;
    width: 100%;
}
.kz-form-input::placeholder { color: var(--text-muted); }
.kz-form-input:focus {
    outline: none;
    border-color: var(--kz-gold);
    background: var(--bg-tertiary);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--kz-gold), transparent 80%);
}
.kz-form-input.error {
    border-color: oklch(60% 0.22 25);
    background: color-mix(in oklch, oklch(60% 0.22 25), transparent 92%);
}
.kz-form-error {
    font-size: 13px;
    color: oklch(60% 0.22 25);
    margin-top: 4px;
}
.kz-form-hint {
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 8px;
}
.kz-form-hint a { color: var(--accent-secondary); }

/* === TOAST === */
.kz-toast {
    position: fixed;
    top: 24px;
    right: 24px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-gold);
    border-left: 3px solid var(--kz-gold);
    border-radius: 6px;
    padding: 16px 24px;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    font-weight: 500;
    z-index: 9999;
    animation: fade-up 0.3s var(--ease-out-quart) both;
    max-width: 400px;
}
.kz-toast.error { border-left-color: oklch(60% 0.22 25); }
.kz-toast.success { border-left-color: oklch(70% 0.18 160); }