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

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #B71C1C 0%, #D32F2F 50%, #FF6F00 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Login Container */
.login-container {
    width: 100%;
    max-width: 450px;
    animation: fadeIn 0.5s ease-in;
}

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

/* Login Card */
.login-card {
    background: #FFFFFF;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 48px 40px;
    width: 100%;
}

/* Header */
.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.logo-icon {
    text-align: center;
    margin-bottom: 16px;
}

.logo-icon .material-icons {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.brand-title {
    font-size: 2rem;
    font-weight: 700;
    color: #B71C1C;
    margin-bottom: 8px;
}

.brand-subtitle {
    font-size: 1rem;
    color: rgba(0, 0, 0, 0.6);
    font-weight: 400;
}

/* Alert */
.alert {
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}

.alert-error {
    background-color: #FFEBEE;
    color: #C62828;
    border: 1px solid #EF5350;
}

.alert-icon {
    font-size: 1.5rem !important;
    color: #C62828;
}

/* Form */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.form-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.87);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    font-size: 1.3rem !important;
    color: rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

.form-input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    font-size: 1.05rem;
    border: 2px solid #E0E0E0;
    border-radius: 8px;
    outline: none;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

.form-input:focus {
    border-color: #B71C1C;
    box-shadow: 0 0 0 3px rgba(183, 28, 28, 0.1);
}

.form-input::placeholder {
    color: rgba(0, 0, 0, 0.4);
}

.validation-message {
    font-size: 0.85rem;
    color: #D32F2F;
    margin-top: 4px;
}

/* Checkbox */
.checkbox-group {
    margin-top: -8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: #B71C1C;
}

.checkbox-text {
    font-size: 1rem;
    color: rgba(0, 0, 0, 0.87);
}

/* Submit Button */
.btn-submit {
    width: 100%;
    padding: 16px 24px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #FFFFFF;
    background: linear-gradient(135deg, #B71C1C 0%, #D32F2F 100%);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(183, 28, 28, 0.3);
}

.btn-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(183, 28, 28, 0.4);
}

.btn-submit:active:not(:disabled) {
    transform: translateY(0);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Spinner */
.spinner-icon {
    font-size: 20px !important;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Footer */
.login-footer {
    margin-top: 32px;
    text-align: center;
}

.divider {
    border: none;
    border-top: 1px solid #E0E0E0;
    margin-bottom: 20px;
}

.footer-text {
    font-size: 0.85rem;
    color: rgba(0, 0, 0, 0.6);
    margin-bottom: 8px;
}

.copyright {
    margin-top: 12px;
}

/* Responsive */
@media (max-width: 768px) {
    .login-card {
        padding: 32px 24px;
    }

    .brand-title {
        font-size: 1.75rem;
    }

    .form-input {
        font-size: 1rem;
        padding: 12px 16px 12px 48px;
    }

    .btn-submit {
        padding: 14px 20px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    body {
        padding: 12px;
    }

    .login-card {
        padding: 24px 20px;
    }

    .logo-icon {
        font-size: 3rem;
    }

    .brand-title {
        font-size: 1.5rem;
    }
}