/* ---------- Стили для страницы логина (без переменных) ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: var(--chat-yuapp-font-family);
    background: var(--chat-yuapp-background);
    color: var(--chat-yuapp-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
a {
    text-decoration: none;
    color: inherit;
}
button {
    cursor: pointer;
    font-family: inherit;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- Шапка ---------- */
.header {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
    padding: 12px 0;
    border-bottom: 1px solid rgba(203, 213, 225, 0.2);
    flex-shrink: 0;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.logo {
    font-size: 26px;
    font-weight: 800;
    color: var(--chat-yuapp-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: opacity 0.2s;
}
.logo:hover {
    opacity: 0.8;
}
.logo span {
    background: linear-gradient(135deg, var(--chat-yuapp-primary), var(--chat-yuapp-primary-light));
    color: white;
    border-radius: var(--chat-yuapp-radius-sm);
    padding: 2px 14px;
    font-size: 18px;
}
.back-link {
    color: var(--chat-yuapp-text-secondary);
    font-weight: 600;
    transition: 0.2s;
}
.back-link:hover {
    color: var(--chat-yuapp-primary);
}

/* ---------- Центрированная форма ---------- */
.login-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}
.login-card {
    background: var(--chat-yuapp-surface);
    border-radius: var(--chat-yuapp-radius);
    box-shadow: var(--chat-yuapp-shadow);
    padding: 40px 36px;
    max-width: 420px;
    width: 100%;
    border: 1px solid rgba(203, 213, 225, 0.2);
}
.login-card h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 6px;
}
.login-card p {
    color: var(--chat-yuapp-text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}
.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
    color: var(--chat-yuapp-text);
}
.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--chat-yuapp-border);
    border-radius: var(--chat-yuapp-radius-sm);
    font-size: 16px;
    transition: 0.2s;
    background: var(--chat-yuapp-background);
    font-family: inherit;
}
.form-group input:focus {
    outline: none;
    border-color: var(--chat-yuapp-primary);
    box-shadow: 0 0 0 3px rgba(60, 76, 113, 0.12);
}
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 16px;
    border: 2px solid transparent;
    transition: all 0.25s;
    text-align: center;
    width: 100%;
    background: var(--chat-yuapp-primary);
    color: white;
    border-color: var(--chat-yuapp-primary);
}
.btn:hover {
    background: var(--chat-yuapp-primary-light);
    border-color: var(--chat-yuapp-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(60, 76, 113, 0.35);
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}
.btn-success {
    background: #22c55e;
    border-color: #22c55e;
}
.btn-success:hover {
    background: #16a34a;
    border-color: #16a34a;
}
.alert {
    padding: 12px 16px;
    border-radius: var(--chat-yuapp-radius-sm);
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}
.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}
.code-field {
    display: none;
    margin-top: 8px;
}
.code-field.active {
    display: block;
}
.back-link {
    display: inline-block;
    margin-top: 16px;
    color: var(--chat-yuapp-text-secondary);
    font-size: 14px;
    transition: 0.2s;
    text-align: center;
    width: 100%;
}
.back-link:hover {
    color: var(--chat-yuapp-primary);
}

/* ---------- Адаптивность ---------- */
@media (max-width: 480px) {
    .login-card {
        padding: 28px 20px;
    }
    .login-card h2 {
        font-size: 24px;
    }
    .logo {
        font-size: 22px;
    }
    .logo span {
        font-size: 16px;
        padding: 2px 10px;
    }
}