:root {
    --bg-main: #0d1117;
    --bg-card: #161b22;
    --bg-elevated: #21262d;
    --border-color: #30363d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --accent-primary: #2f81f7;
    --accent-hover: #388bfd;
    --success: #2ea043;
    --success-bg: rgba(46, 160, 67, 0.15);
    --danger: #f85149;
    --danger-bg: rgba(248, 81, 73, 0.15);
    --warning: #d29922;
    --warning-bg: rgba(210, 153, 34, 0.15);
    --mono-font: "JetBrains Mono", "Fira Code", Consolas, monospace;
    --sans-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--sans-font);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 920px;
    margin: 0 auto;
    padding: 24px 16px 64px;
}

/* Шапка */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0 28px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 28px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.brand-badge {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 500;
}

/* Карточки */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
}

.card-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-subtitle {
    margin: 4px 0 18px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 0.98rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.18s ease;
    text-decoration: none;
    color: var(--text-primary);
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent-primary);
    color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
}

.btn-success {
    background: var(--success);
    color: #ffffff;
}

.btn-success:hover:not(:disabled) {
    filter: brightness(1.1);
}

.btn-secondary {
    background: var(--bg-elevated);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--text-secondary);
    background: #292e36;
}

.btn-danger {
    background: var(--danger-bg);
    border-color: var(--danger);
    color: #ff7b72;
}

.btn-danger:hover:not(:disabled) {
    background: var(--danger);
    color: #ffffff;
}

.btn-sm {
    padding: 7px 13px;
    font-size: 0.86rem;
    border-radius: 8px;
}

.btn-block {
    width: 100%;
}

/* Главная страница: Шаги */
.hero {
    text-align: center;
    padding: 28px 16px 36px;
}

.hero h1 {
    font-size: 2.1rem;
    margin: 0 0 14px;
}

.hero p {
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 28px;
    font-size: 1.08rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.step-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
}

.step-num {
    display: inline-block;
    background: rgba(47, 129, 247, 0.15);
    color: var(--accent-primary);
    font-weight: 700;
    font-size: 0.82rem;
    padding: 3px 10px;
    border-radius: 999px;
    margin-bottom: 10px;
}

/* Поле ссылки профиля */
.link-display-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 14px;
}

.link-prefix {
    color: var(--text-secondary);
    font-family: var(--mono-font);
    font-size: 0.95rem;
    user-select: none;
}

.link-slug {
    font-family: var(--mono-font);
    font-size: 1.05rem;
    font-weight: 700;
    color: #58a6ff;
    background: rgba(56, 139, 253, 0.12);
    padding: 2px 8px;
    border-radius: 6px;
}

.slug-edit-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    flex: 1;
}

.input-field {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.96rem;
    font-family: inherit;
}

.input-field:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.input-mono {
    font-family: var(--mono-font);
}

textarea.input-field {
    min-height: 115px;
    resize: vertical;
}

/* Чекбокс с подписью */
.checkbox-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    background: var(--bg-elevated);
    border-radius: 10px;
    margin-bottom: 16px;
    cursor: pointer;
}

.checkbox-card input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 3px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

/* Drag and drop зона */
.dropzone {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 32px 20px;
    text-align: center;
    background: rgba(255, 255, 255, 0.015);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.dropzone:hover,
.dropzone.dragover {
    border-color: var(--accent-primary);
    background: rgba(47, 129, 247, 0.07);
}

.dropzone-icon {
    font-size: 2.2rem;
    margin-bottom: 8px;
}

/* Предупреждения и баннеры безопасности */
.banner {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    border: 1px solid transparent;
}

.banner-success {
    background: var(--success-bg);
    border-color: var(--success);
    color: #7ee787;
}

.banner-warning {
    background: var(--warning-bg);
    border-color: var(--warning);
    color: #e3b341;
}

.banner-danger {
    background: var(--danger-bg);
    border-color: var(--danger);
    color: #ffa198;
}

/* Галерея и превью расшифрованных вложений */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.media-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.media-preview-box {
    width: 100%;
    height: 180px;
    background: #05070a;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.media-preview-box img,
.media-preview-box video {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.media-card-footer {
    padding: 10px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    border-top: 1px solid var(--border-color);
}

.file-name-label {
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-list {
    list-style: none;
    padding: 0;
    margin: 14px 0 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: 8px;
    gap: 12px;
}

/* Сетка управления профилем */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

/* Модальные окна */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 16px;
}

.modal-backdrop.active {
    display: flex;
}

.modal-window {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    max-width: 460px;
    width: 100%;
    padding: 24px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

.hidden {
    display: none !important;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.83rem;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--bg-elevated);
    color: var(--text-secondary);
}

.message-text-box {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 1rem;
    margin: 12px 0;
}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 1.6rem;
    }
    .card {
        padding: 18px;
    }
}