/* Auth Pages Styles - Minimal version for user-core-template */

/* CSS Variables */
:root {
    --primary: #FE2C55;
    --primary-dark: #E61E45;
    --secondary: #25F4EE;
    --accent: #FF6B8A;
    --bg-primary: #0A0A0A;
    --bg-secondary: #121212;
    --bg-card: #1E1E1E;
    --bg-hover: #252525;
    --text-primary: #FFFFFF;
    --text-secondary: #8A8A8A;
    --text-muted: #5A5A5A;
    --border: #2A2A2A;
    --gradient: linear-gradient(135deg, #FE2C55 0%, #FF6B8A 100%);
    --shadow: 0 8px 32px rgba(254, 44, 85, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

/* Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-item {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.nav-item:hover { color: var(--text-primary); }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Language Switcher */
.lang-switcher {
    margin-left: 8px;
    padding-left: 16px;
    border-left: 1px solid var(--border);
}

.lang-switcher .btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 14px rgba(254, 44, 85, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(254, 44, 85, 0.45);
}

.btn-primary:active { transform: translateY(0); }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px 16px;
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.btn-block { width: 100%; }

/* Main Content */
main {
    padding-top: 80px;
    min-height: 100vh;
}

/* Auth Pages */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 80px 0 40px;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.auth-tabs {
    display: flex;
    margin-bottom: 28px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 4px;
}

.auth-tab {
    flex: 1;
    padding: 12px;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    cursor: pointer;
}

.auth-tab.active {
    background: var(--bg-secondary);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.auth-tab:hover:not(.active) { color: var(--text-primary); }

/* Form Styles */
.form-group { margin-bottom: 20px; }

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.2s;
    outline: none;
}

.form-input::placeholder { color: var(--text-muted); }

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(254, 44, 85, 0.15);
}

.form-input:hover:not(:focus) { border-color: var(--text-muted); }

.input-group {
    display: flex;
    gap: 12px;
}

.input-group .form-input { flex: 1; }

.code-input {
    text-align: center;
    letter-spacing: 8px;
    font-size: 1.25rem;
    font-weight: 600;
}

/* Send Code Button */
.send-code-btn {
    padding: 14px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.send-code-btn:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--primary);
    color: var(--primary);
}

.send-code-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Alerts */
.alert {
    padding: 14px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-error {
    background: rgba(254, 44, 85, 0.15);
    border: 1px solid rgba(254, 44, 85, 0.3);
    color: #FF6B8A;
}

.alert-success {
    background: rgba(37, 244, 238, 0.1);
    border: 1px solid rgba(37, 244, 238, 0.2);
    color: var(--secondary);
}

.alert-icon { font-size: 1.1rem; }

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-content {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Page Container */
.page-container {
    padding: 40px 20px;
}

/* Responsive */
@media (max-width: 640px) {
    .auth-card {
        padding: 24px;
        margin: 0 16px;
    }

    .input-group {
        flex-direction: column;
    }

    .send-code-btn {
        width: 100%;
    }
}