/* Login Page Styles */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 420px;
    padding: 40px;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.login-header h2 {
    color: #1a202c;
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 8px 0;
}

.login-header p {
    color: #718096;
    font-size: 14px;
    margin: 0;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: #2d3748;
    font-size: 14px;
    font-weight: 600;
}

.phone-input-group {
    display: flex;
    align-items: center;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.phone-input-group:focus-within {
    border-color: #667eea;
}

.form-control,
.phone-input-full {
    flex: 1;
    border: none;
    padding: 12px 16px;
    font-size: 16px;
    outline: none;
    width: 100%;
}

.verification-group {
    background: #f7fafc;
    padding: 16px;
    border-radius: 8px;
    margin-top: 8px;
}

.verification-input {
    font-size: 24px;
    letter-spacing: 8px;
    text-align: center;
    font-weight: 600;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
}

.text-muted {
    color: #718096;
    font-size: 12px;
    margin-top: 4px;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
}

.alert-danger {
    background: #fed7d7;
    color: #c53030;
    border: 1px solid #fc8181;
}

.alert-success {
    background: #c6f6d5;
    color: #276749;
    border: 1px solid #68d391;
}

.btn {
    padding: 14px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-block {
    width: 100%;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid #ffffff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.login-footer {
    margin-top: 24px;
    text-align: center;
}

.login-footer p {
    color: #a0aec0;
    font-size: 12px;
    line-height: 1.5;
}

.validation-message {
    color: #e53e3e;
    font-size: 12px;
    margin-top: 4px;
}

@media (max-width: 480px) {
    .login-card {
        padding: 24px;
    }
    
    .login-header h2 {
        font-size: 24px;
    }
}