/* =====================================================
   BUDGET MANAGER - LOGIN PAGE STYLES
   Professional, Modern Login Design
   ===================================================== */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: var(--spacing-4);
    position: relative;
    overflow: hidden;
}

/* Background Pattern */
.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

/* Floating Shapes */
.login-page::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    top: -200px;
    right: -200px;
    pointer-events: none;
}

/* Login Container */
.login-container {
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 10;
}

/* Login Card */
.login-card {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Login Header */
.login-header {
    padding: var(--spacing-8) var(--spacing-8) var(--spacing-6);
    text-align: center;
}

.login-logo {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-5);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
}

.login-logo svg {
    width: 40px;
    height: 40px;
    color: var(--white);
}

.login-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.login-subtitle {
    font-size: var(--font-size-base);
    color: var(--gray-500);
    margin: 0;
}

/* Login Body */
.login-body {
    padding: 0 var(--spacing-8) var(--spacing-8);
}

/* Form Controls */
.login-form .form-group {
    margin-bottom: var(--spacing-5);
    position: relative;
}

.login-form .form-label {
    font-weight: 600;
    color: var(--gray-700);
}

.login-form .form-control {
    padding: var(--spacing-4) var(--spacing-4) var(--spacing-4) var(--spacing-12);
    font-size: var(--font-size-base);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-base);
}

.login-form .form-control:hover {
    border-color: var(--gray-300);
}

.login-form .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.login-form .form-control.is-invalid {
    border-color: var(--danger);
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

/* Input Icons */
.input-icon-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.input-icon svg {
    width: 20px;
    height: 20px;
}

.form-control:focus + .input-icon,
.form-control:not(:placeholder-shown) + .input-icon {
    color: var(--primary);
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.password-toggle:hover {
    color: var(--gray-600);
    background: var(--gray-100);
}

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

/* Remember & Forgot */
.login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-6);
}

.login-options .form-check {
    margin: 0;
}

.login-options .form-check-input {
    width: 18px;
    height: 18px;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
}

.forgot-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--primary);
}

.forgot-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Login Button */
.btn-login {
    width: 100%;
    padding: var(--spacing-4);
    font-size: var(--font-size-base);
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    border: none;
    border-radius: var(--border-radius-lg);
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-login:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
}

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

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

.btn-login .spinner {
    width: 20px;
    height: 20px;
    border-width: 2px;
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
}

/* Button Ripple Effect */
.btn-login::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-login:active::after {
    width: 300px;
    height: 300px;
}

/* Alert in Login */
.login-alert {
    margin-bottom: var(--spacing-5);
    padding: var(--spacing-4);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    animation: fadeIn 0.3s ease;
}

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

.login-alert.alert-danger {
    background: var(--danger-light);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #b91c1c;
}

.login-alert.alert-success {
    background: var(--success-light);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #047857;
}

.login-alert svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Login Footer */
.login-footer {
    text-align: center;
    padding: var(--spacing-6) var(--spacing-8);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
}

.login-footer-text {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin: 0;
}

/* Copyright */
.login-copyright {
    text-align: center;
    margin-top: var(--spacing-6);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

.login-copyright a {
    color: var(--white);
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 480px) {
    .login-card {
        border-radius: var(--border-radius-lg);
    }

    .login-header {
        padding: var(--spacing-6) var(--spacing-5) var(--spacing-4);
    }

    .login-body {
        padding: 0 var(--spacing-5) var(--spacing-6);
    }

    .login-logo {
        width: 60px;
        height: 60px;
    }

    .login-logo svg {
        width: 32px;
        height: 32px;
    }

    .login-title {
        font-size: var(--font-size-xl);
    }

    .login-options {
        flex-direction: column;
        gap: var(--spacing-3);
        align-items: flex-start;
    }
}