/* ЦВЕТОВАЯ ПАЛИТРА PDD HUB EXPERT */
:root {
    --primary-color: #2563EB;
    --bg-white: #FFFFFF;
    --light-panel: #F2F5F8;
    --text-main: #1A1A1B;
    --text-muted: #4B5563;
    --color-success: #10B981;
    --color-error: #EF4444;
    --color-warning: #F59E0B;
    --radius-10: 10px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-white);
    color: var(--text-main);
    line-height: 1.6;
}

.bg-light-panel {
    background-color: var(--light-panel) !important;
}

/* ЭЛЕМЕНТЫ */
.rounded-10 {
    border-radius: var(--radius-10) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: var(--radius-10);
    padding: 0.6rem 1.2rem;
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: #1e40af;
    transform: translateY(-1px);
}

.rounded-pill {
    border-radius: 50rem !important;
}

/* КВИЗ СТИЛИ */
#quiz-container {
    max-width: 700px;
    margin: 0 auto;
}

.question-card {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: var(--radius-10);
    padding: 2rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.timer-line-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    z-index: 1050;
    background: rgba(0,0,0,0.05);
}

#timer-progress {
    height: 100%;
    width: 100%;
    background-color: var(--primary-color);
    transition: width 0.1s linear;
}

.ans-btn {
    display: block;
    width: 100%;
    text-align: left;
    padding: 1rem;
    margin-bottom: 0.8rem;
    background: var(--light-panel);
    border: 2px solid transparent;
    border-radius: var(--radius-10);
    transition: var(--transition);
    cursor: pointer;
}

.ans-btn:hover {
    border-color: var(--primary-color);
    background: #e9eff5;
}

/* МОДЕРНИЗАЦИЯ */
.hover-shadow:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.transition {
    transition: var(--transition);
}

/* ФОРМА И ВАЛИДАЦИЯ */
.is-invalid-field {
    border-color: var(--color-error) !important;
    background-color: #fff5f5;
}

.validation-hint {
    font-size: 0.8rem;
    color: var(--color-error);
    margin-top: 4px;
}

.lead-consent {
    font-size: 0.75rem;
    color: var(--text-muted);
}