/* === styles.css === */
/* ==========================================================================
   1. 
   ========================================================================== */
html {
    background-color: #0F1718; 
}

:root {
    /* --- colors --- */
    --color-primary: #FF4040;
    --color-primary-hover: #E03636;
    --color-secondary-accent: #00FF41;
    --color-tertiary-accent: #FF00FF;
    
    --color-text-main: #FFFFFF;
    --color-text-secondary: #B0B0B0;
    --color-text-on-accent: #0D0D0D;
    
    --color-background-main: linear-gradient(180deg, #1A2526 0%, #0F1718 100%);
    --color-background-header: rgba(26, 37, 38, 0.95);
    --color-background-footer: #0F1718;
    --color-background-card: #3A4546;
    --color-background-input: #2A3536;
    --color-background-glass: rgba(20, 20, 20, 0.45);

    --color-border: #2A3536;
    --color-border-glass: rgba(0, 255, 65, 0.2);
    --color-border-glass-hover: rgba(0, 255, 65, 0.5);

    --color-status-success: #28a745;
    --color-status-danger: #dc3545;
    --color-background-backdrop: rgba(13, 13, 13, 0.85); 

    /* --- fonts & topografie --- */
    --font-family-body: 'Montserrat', sans-serif;
    --font-family-heading: 'Orbitron', sans-serif;
    --font-family-accent: 'Inter', sans-serif;
    
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    --line-height-base: 1.6;

    --header-height: 80px;
    --spacing-unit: 8px;
    --width-container: 1200px;
    --width-mobile-menu: 300px;

    --border-radius-small: 8px;
    --border-radius-medium: 16px;

    --shadow-header: 0 2px 10px rgba(0, 0, 0, 0.5);
    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-input-focus: 0 0 8px var(--color-primary);
    --shadow-glass: 0 0 40px rgba(0, 255, 65, 0.1);
    --shadow-button-primary: 0 0 20px var(--color-tertiary-accent);
    --shadow-button-primary-hover: 0 0 30px var(--color-tertiary-accent);
    --shadow-button-secondary: 0 0 15px var(--color-secondary-accent);

    --transition-main: all 0.3s ease;
    --transition-transform: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);

    --blur-glass: 15px;
}


/* ==========================================================================
   2. body content
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-body);
    font-weight: var(--font-weight-regular);
    background-color: transparent;
    color: var(--color-text-main);
    line-height: var(--line-height-base);
    transition: var(--transition-main);
    padding-top: var(--header-height);
    padding-bottom: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.containerstyles {
    max-width: var(--width-container);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 3);
    z-index: 2;
}

.main-content {
    position: relative;
    z-index: 2;
    flex-grow: 1; 
}

/* ==========================================================================
   3. absatze
   ========================================================================== */
h1, h2, h3 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
}

h1 {
    font-size: clamp(32px, 5vw, 48px);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

h2 {
    font-size: clamp(24px, 4vw, 36px);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

h3 {
    font-size: clamp(18px, 3vw, 24px);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

p {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

a {
    color: var(--color-text-main);
    text-decoration: none;
}

/* ==========================================================================
   4. heder
   ========================================================================== */
header {
    background: var(--color-background-header);
    position: fixed;
    width: 100%;
    height: var(--header-height);
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-header);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
}

header .headercontainer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: var(--width-container);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 3);
    gap: calc(var(--spacing-unit) * 2.5);
}

.logo {
    font-family: var(--font-family-heading);
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-main); 
    text-shadow: 0 0 10px var(--color-primary);
    flex-shrink: 0;
    transition: var(--transition-main);
}

.logo-accent {
    color: var(--color-primary);
}

nav ul {
    display: flex;
    list-style: none;
    gap: calc(var(--spacing-unit) * 3);
}

nav ul li a {
    color: var(--color-text-main);
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-main);
    position: relative;
    padding: calc(var(--spacing-unit) / 2) 0;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.25s ease-out;
}

nav ul li a:hover::after,
nav ul li a:focus::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.header-controls {
    display: flex;
    align-items: center;
}

/* ==========================================================================
   5. buttons
   ========================================================================== */
.cta-button {
    background: var(--color-primary);
    color: var(--color-text-main);
    padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
    border: none;
    border-radius: var(--border-radius-small);
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition-main);
    text-decoration: none;
}

.cta-button:hover,
.cta-button:focus {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
}

/* ==========================================================================
   6. forms
   ========================================================================== */
select, .form-group input {
    width: 100%;
    padding: calc(var(--spacing-unit) * 1.5);
    border: none;
    border-radius: var(--border-radius-small);
    background: var(--color-background-input);
    color: var(--color-text-main);
    font-size: 16px;
    transition: var(--transition-main);
}

select:focus, .form-group input:focus {
    outline: none;
    box-shadow: var(--shadow-input-focus);
}

.form-container {
    max-width: 400px;
    margin: 0 auto;
    background: var(--color-background-card);
    padding: calc(var(--spacing-unit) * 4);
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-card);
    z-index: 2;
}

.form-group {
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.form-group label {
    display: block;
    font-size: 14px;
    margin-bottom: var(--spacing-unit);
    color: var(--color-text-secondary);
}

/* ==========================================================================
   7. hero, footer
   ========================================================================== */
.hero {
    padding: 150px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .containerstyles {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: calc(var(--spacing-unit) * 4);
    flex-wrap: wrap;
}

.hero-content {
    max-width: 600px;
    flex: 1;
}

.hero-image {
    max-width: 100%;
    width: min(400px, 100%);
    flex-shrink: 0;
}

footer {
    background: var(--color-background-footer);
    padding: calc(var(--spacing-unit) * 6) 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
    position: relative;
    z-index: 10;
}

footer nav ul {
    list-style: none;
    padding: 0;
    margin-top: calc(var(--spacing-unit) * 3);
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: calc(var(--spacing-unit) * 2);
}

footer nav ul li {
    margin: 0;
}

footer nav ul li a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition-main);
}

footer nav ul li a:hover,
footer nav ul li a:focus {
    color: var(--color-primary);
}


/* ==========================================================================
   9. fon
   ========================================================================== */
#matrix {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    object-fit: cover;
}

.fade-in {
    animation: fadeIn 1s ease-in;
}

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

.glitch {
    position: relative;
}

.content-backdrop {
    background-color: var(--color-background-backdrop);
    padding-top: calc(var(--spacing-unit) * 6);
    padding-bottom: calc(var(--spacing-unit) * 6);
}

/* ==========================================================================
   hamburger
   ========================================================================== */

.header-divider {
    width: 1px;
    height: 24px;
    background-color: var(--color-border);
    margin: 0 var(--spacing-unit);
}

.guest-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-unit);
}

.btn-secondary-nav, .btn-primary-nav {
    padding: var(--spacing-unit) calc(var(--spacing-unit) * 2);
    border-radius: var(--border-radius-small);
    font-weight: var(--font-weight-medium);
    transition: var(--transition-main);
    border: 1px solid transparent;
}

.btn-secondary-nav {
    color: var(--color-text-secondary);
}
.btn-secondary-nav:hover {
    color: var(--color-text-main);
}

.btn-primary-nav {
    background-color: var(--color-primary);
    color: var(--color-text-main);
    border-color: var(--color-primary);
}
.btn-primary-nav:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.user-dropdown {
    position: relative;
}

.user-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-unit);
    display: flex;
    align-items: center;
    gap: var(--spacing-unit);
    background: none;
    border: none;
    color: var(--color-text-main);
    font-family: var(--font-family-body);
    font-size: 16px;
    cursor: pointer;
    padding: var(--spacing-unit);
    border-radius: var(--border-radius-small);
    transition: var(--transition-main);
}
.user-dropdown-toggle:hover {
    background-color: rgba(255,255,255,0.1);
}

.user-dropdown-toggle .icon-chevron {
    transition: transform 0.2s ease-in-out;
}

.user-dropdown.open .user-dropdown-toggle .icon-chevron {
    transform: rotate(180deg);
}
.user-dropdown-toggle .username {
    /* 1. Запрещаем перенос на новую строку */
    white-space: nowrap;
    /* 2. Прячем все, что выходит за границы блока */
    overflow: hidden;
    /* 3. Добавляем многоточие (...) в конце обрезанного текста */
    text-overflow: ellipsis;
    /* 4. ЗАДАЕМ МАКСИМАЛЬНУЮ ШИРИНУ! Это самый важный шаг. */
    /*    Подберите значение, которое хорошо выглядит в вашем дизайне. */
    max-width: 80px; 
}

.user-dropdown-toggle .icon-chevron {
    /* ... */
}

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + var(--spacing-unit));
    right: 0;
    width: 200px;
    background-color: var(--color-background-header);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-small);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    padding: var(--spacing-unit);
    z-index: 101;
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) / 2);
    opacity: 0;
    transform: translateY(10px);
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}

.user-dropdown.open .user-dropdown-menu {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.5);
    color: var(--color-text-secondary);
    border-radius: 4px;
    transition: var(--transition-main);
    text-align: left;
}
.dropdown-item:hover {
    background-color: rgba(255,255,255,0.1);
    color: var(--color-text-main);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--color-border);
    margin: var(--spacing-unit) 0;
}

.dropdown-item-logout {
    color: var(--color-primary);
}
.dropdown-item-logout:hover {
    background-color: var(--color-primary);
    color: var(--color-text-main);
}

/* ==========================================================================
   10. adaptive
   ========================================================================== */

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-unit);
    z-index: 1010;
}

.mobile-menu-toggle .icon-close { display: none; }
.mobile-menu-toggle svg {
    width: 28px;
    height: 28px;
    color: var(--color-text-main);
    transition: color 0.3s ease;
}
.mobile-menu-toggle:hover svg { color: var(--color-primary); }


.header-nav-wrapper {
    display: flex;
    justify-content: space-between; /* или flex-start, если не надо разносить */
    align-items: center;
    height: 64px; /* задай высоту шапки, иначе не сработает выравнивание */
    padding: 0 20px;
}

.nav_header ul {
    display: flex;
    gap: 20px; /* расстояние между пунктами */
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav_header li a {
    text-decoration: none;
    color: inherit;
    font-weight: 500;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-dropdown-toggle {
    background: none;
    border: none;
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 4px 8px;
}

#language-select {
    padding: 6px;
    border-radius: 4px;
}


body.menu-open .mobile-menu-toggle .icon-menu { display: none; }
body.menu-open .mobile-menu-toggle .icon-close { display: block; }
body.menu-open .header-nav-wrapper { transform: translateX(0); }


@media (max-width: 1024px) {
    .hero-image {
        width: min(350px, 100%);
        margin: calc(var(--spacing-unit) * 5) auto 0;
    }
    .hero .containerstyles {
        flex-direction: column;
        text-align: center;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .header-nav-wrapper {
        position: fixed;
        top: 0;
        right: 0;
        width: var(--width-mobile-menu);
        height: 100vh;
        background: var(--color-background-header);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: calc(var(--spacing-unit) * 15) calc(var(--spacing-unit) * 4);
        gap: calc(var(--spacing-unit) * 3);
        transform: translateX(100%);
        transition: var(--transition-transform);
        z-index: 1000;
        box-shadow: -5px 0 15px rgba(0,0,0,0.2);
    }
    
    header nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: calc(var(--spacing-unit) * 2.5);
        width: 100%;
    }
    
    header nav ul li a {
        font-size: 18px;
    }

    .header-controls {
        width: 100%;
    }

    .header-divider {
        display: none; 
    }
    .guest-actions, .user-dropdown {
        width: 100%;
    }

    .guest-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .user-dropdown-toggle {
        justify-content: space-between;
        width: 100%;
    }

    .user-dropdown-menu {
        top: 0; 
        right: 0;
        width: 100%;
    }
}
.toast { 
      background-color: #333; 
      color: #fff; 
      padding: 15px 25px; 
      margin-bottom: 10px; 
      border-radius: var(--border-radius-small); 
      opacity: 0; 
      transform: translateX(100%);
      transition: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
      font-size: 14px; 
      box-shadow: 0 4px 12px rgba(0,0,0,0.3);
      border-left: 5px solid #6c757d;
  }
  .toast.show { 
      opacity: 1; 
      transform: translateX(0);
  }
  .toast.success { background-color: #2f3e34; border-left-color: var(--color-status-success); }
  .toast.error { background-color: #4d2f32; border-left-color: var(--color-status-danger); }
  .toast.info { background-color: #2b3b4b; border-left-color: #0dcaf0; }
.btn-sm-action {
    padding: 5px 10px;
    border-radius: var(--border-radius-small);
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 0.9rem;
    text-decoration: none;
    background-color: var(--color-background-input);
    color: var(--color-text-secondary);
}
.btn-sm-action:hover {
    color: var(--color-text-main);
}
.btn-sm-action.btn-danger {
    background-color: transparent;
    border-color: var(--color-status-danger);
    color: var(--color-status-danger);
}
.btn-sm-action.btn-danger:hover {
    background-color: var(--color-status-danger);
    color: var(--color-text-main);
}

/* Estilo de advertencia para la confirmación */
.btn-warning-confirmation {
    border-color: #ffc107 !important;
    color: #ffc107 !important;
    background-color: rgba(255, 193, 7, 0.1) !important;
}

.errorlist {
    list-style-type: none; /* Убираем маркеры списка */
    padding: 0;
    margin: var(--spacing-unit) 0 0 0;
    color: var(--color-status-danger); /* Используем наш красный цвет из переменных */
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
}

/* Стили для отдельных полей с ошибками */
.form-group input.is-invalid,
.form-group select.is-invalid {
    border: 1px solid var(--color-status-danger); /* Обводим поле красной рамкой */
}