@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.01em;
}

/* Центрирование только для страницы логина */
body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-box {
    background: var(--bg-secondary);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.logo {
    text-align: center;
    margin-bottom: 40px;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--text-primary);
}

.logo h1 .logo-icon {
    width: 32px;
    height: 32px;
    color: var(--accent);
    flex-shrink: 0;
}

.logo h1 span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo p {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
}

/* Кнопка смены темы на странице логина */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

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

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.step {
    display: none;
}

.step.active {
    display: block;
}

h2 {
    margin-bottom: 20px;
    font-size: 22px;
    font-weight: 600;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.login-box input[type="email"],
.login-box input[type="text"] {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: all var(--transition-fast);
}

input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--input-focus-bg);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--accent-gradient);
    color: #fff;
}

.btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-secondary {
    background: var(--btn-bg);
    color: var(--text-secondary);
    margin-top: 10px;
}

.btn-secondary:hover {
    background: var(--btn-hover);
    color: var(--text-primary);
    opacity: 1;
    transform: none;
    box-shadow: none;
}

.info {
    margin-bottom: 20px;
    padding: 14px 16px;
    background: var(--bg-tertiary);
    backdrop-filter: var(--backdrop-blur-sm);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
}

#emailDisplay {
    color: var(--accent);
    font-weight: 600;
}

.error {
    display: table;
    margin: 20px auto 0;
    text-align: center;
    padding: 12px 20px;
    background: var(--danger-glow);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-md);
    font-size: 14px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

@media (max-width: 640px) {
    .login-box {
        padding: 32px 24px;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}