.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.login-box {
    width: 380px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    padding: 40px 36px;
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.login-header p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 6px 0 0 0;
}

.login-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.login-tab {
    flex: 1;
    text-align: center;
    padding: 10px 0;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: color var(--transition-fast), border-color var(--transition-fast);
    user-select: none;
}

.login-tab:hover {
    color: var(--text-primary);
}

.login-tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.login-form {
    display: none;
}

.login-form.active {
    display: block;
}

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.form-input {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    outline: none;
    box-sizing: border-box;
    transition: border-color var(--transition-fast);
}

.form-input:focus {
    border-color: var(--accent-primary);
}

.form-error {
    font-size: 13px;
    color: #f87171;
    margin-bottom: 12px;
    min-height: 20px;
}

.login-btn {
    width: 100%;
    padding: 11px 0;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    background: var(--accent-primary);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.login-btn:hover {
    opacity: 0.9;
}

.login-btn:active {
    opacity: 0.8;
}