/* ============================================================================
   Шапка приложения и навигация
   ============================================================================ */

.app-header {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    position: relative;
    z-index: 1100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #495057;
    text-decoration: none;
    display: inline-block;
    transition: color 0.2s ease;
}


.logo a:hover {
    color: #212529;
}

.logo-tagline {
    font-size: 0.875rem;
    line-height: 1.25rem;
    font-style: italic;
    color: #6b7280;
}

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

.nav-button {
    border-radius: 8px;
    padding: 0.625rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5rem;
    font-weight: 600;
    transition: 0.3s;
    background: #fff;
    border: 2px solid rgba(16, 100, 209, 0.3);
    color: var(--brand-text);
}

.nav-button:hover {
    border:2px solid var(--accent-color);
}

.nav-button-primary {
    background: var(--accent-color);
    color: #fff;
    border: 2px solid var(--accent-color);
    cursor: default;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.95rem;
}

.user-info-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    background: rgb(255, 255, 255);
    border: 2px solid rgba(16, 100, 209, 0.3);
    border-radius: 8px;
}

.user-name {
    font-weight: 600;
    color: var(--brand-text);
    font-size: 0.9rem;
    line-height: 1.2;
}

.user-role {
    font-weight: 500;
    color: #6b7280;
    font-size: 0.8rem;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.link-button {
    cursor: pointer;
    border: 2px solid var(--brand-red);
    border-radius: 8px;
    height: 56px;
    width: 100px;
    background-color: transparent;
    padding: 0;
    font-weight: 600;
    color: var(--brand-red);
    transition: 0.3s;
}

.link-button:hover {
    background-color: var(--brand-red);
    color: #ffffff;
}

/* ============================================================================
   АДАПТИВНОСТЬ ДЛЯ МОБИЛЬНЫХ УСТРОЙСТВ
   ============================================================================ */

/* Базовые стили для мобильного меню перенесены в responsive.css */

/* Анимация контура букв логотипа ВРС Prime (SVG) */
@keyframes logo-char-outline-pulse {
    0%, 100% {
        stroke-opacity: 0.12;
        stroke-width: 0.28;
    }
    50% {
        stroke-opacity: 0.95;
        stroke-width: 0.62;
    }
}

.crm-logo .logo-char {
    paint-order: stroke fill;
    stroke-linejoin: round;
    animation: logo-char-outline-pulse 2.4s ease-in-out infinite;
    animation-delay: var(--logo-glow-delay, 0s);
}

.crm-logo .logo-char--vrs {
    stroke: rgba(99, 102, 241, 0.85);
}

.crm-logo .logo-char--prime {
    stroke: rgba(167, 139, 250, 0.9);
}

@media (prefers-reduced-motion: reduce) {
    .crm-logo .logo-char {
        animation: none;
        stroke-opacity: 0.35;
        stroke-width: 0.4;
    }
}

/* Адаптивность для планшетов и мобильных */
@media (max-width: 1280px) {
    .nav-button,
    .nav-button-primary {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .main-nav {
        gap: 0.5rem;
    }
}

@media (max-width: 1024px) {
    .header-content {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    
    /* Схема «бургер»: только при body.burger-nav-always (много вкладок) */
    body.burger-nav-always .main-nav {
        order: 4;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.3s ease, opacity 0.3s ease;
        opacity: 0;
        padding: 0;
    }
    
    body.burger-nav-always .main-nav.active {
        max-height: 600px;
        padding-top: 1rem;
        padding-bottom: 0.5rem;
        opacity: 1;
        border-top: 1px solid rgba(16, 100, 209, 0.15);
        margin-top: 0.5rem;
    }
    
    /* Мало вкладок — как раньше: ряд кнопок с переносом */
    body:not(.burger-nav-always) .main-nav {
        order: 4;
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        justify-content: flex-start;
        gap: 0.5rem;
        max-height: none;
        overflow: visible;
        opacity: 1;
        padding: 0.65rem 0 0;
        margin-top: 0.35rem;
        border-top: 1px solid rgba(16, 100, 209, 0.12);
    }
    
    body:not(.burger-nav-always) .nav-button,
    body:not(.burger-nav-always) .nav-button-primary {
        width: auto;
        flex: 0 1 auto;
        text-align: center;
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
        justify-content: center;
    }
    
    body.burger-nav-always .nav-button,
    body.burger-nav-always .nav-button-primary {
        width: 100%;
        text-align: center;
        padding: 0.875rem 1.25rem;
        font-size: 1rem;
        justify-content: center;
    }
    
    .user-info {
        order: 3;
        margin-left: auto;
        gap: 0.75rem;
    }
    
    .user-info-content {
        font-size: 0.85rem;
        padding: 0.4rem 0.75rem;
    }
    
    .logo {
        order: 1;
        flex: 1;
    }
    
    .logo a {
        font-size: 1.25rem;
    }
    
    .logo-tagline {
        font-size: 0.75rem;
    }
    
    .link-button {
        height: 44px;
        width: 80px;
        font-size: 0.9rem;
    }
}

/* Мобильные устройства */
@media (max-width: 768px) {
    .header-content {
        padding-top: 0.75rem;
        padding-bottom: 0.75rem;
        gap: 0.5rem;
    }
    
    .logo {
        flex: 1;
    }
    
    .logo a {
        font-size: 1.1rem;
    }
    
    .logo-tagline {
        display: none;
    }
    
    .user-info {
        order: 4;
        width: 100%;
        justify-content: space-between;
        margin-left: 0;
        margin-top: 0.5rem;
        padding-top: 0.5rem;
        border-top: 1px solid rgba(16, 100, 209, 0.1);
    }
    
    .user-info-content {
        flex: 1;
        padding: 0.3rem 0.5rem;
    }
    
    .user-name {
        font-size: 0.85rem;
    }
    
    .user-role {
        font-size: 0.7rem;
    }
    
    body.burger-nav-always .main-nav {
        order: 4;
    }
    
    body.burger-nav-always .nav-button,
    body.burger-nav-always .nav-button-primary {
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }
    
    .link-button {
        height: 40px;
        width: 70px;
        font-size: 0.85rem;
    }
}

/* Очень маленькие экраны */
@media (max-width: 480px) {
    .header-content {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }
    
    .logo a {
        font-size: 1rem;
    }
    
    .user-info-content {
        padding: 0.25rem 0.4rem;
    }
    
    .user-name {
        font-size: 0.8rem;
    }
    
    .user-role {
        font-size: 0.65rem;
    }
    
    .nav-button,
    .nav-button-primary {
        padding: 0.625rem 0.875rem;
        font-size: 0.9rem;
    }
    
    .link-button {
        height: 38px;
        width: 65px;
        font-size: 0.8rem;
    }
}

/* Минимальные экраны */
@media (max-width: 375px) {
    .user-info-content {
        display: none;
    }
    
    .user-info {
        justify-content: flex-end;
    }
}