/* ==================== CSS CUSTOM PROPERTIES ==================== */
:root {
    /* Colors */
    --bg-primary: #0a0e27;
    --bg-secondary: #151932;
    --bg-tertiary: #1e2440;

    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Glass Effect */
    --glass-bg: rgba(30, 36, 64, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

/* ==================== RESET & BASE STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    padding: var(--spacing-lg);
    background-image:
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.2) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.2) 0px, transparent 50%);
    background-attachment: fixed;
}

/* ==================== NAVIGATION ==================== */
.navbar {
    background: linear-gradient(135deg, rgba(30, 36, 64, 0.95) 0%, rgba(21, 25, 50, 0.98) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(99, 102, 241, 0.1) inset;
    position: sticky;
    top: var(--spacing-md);
    z-index: 100;
    animation: slideDown 0.6s ease;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-xl);
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-brand .icon {
    font-size: 1.75rem;
    filter: drop-shadow(0 4px 12px rgba(99, 102, 241, 0.6));
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.brand-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%, #f093fb 200%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 100%;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
    margin: 0;
    padding: 0;
}

.nav-menu li a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

.nav-menu li a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.2), transparent);
    transition: left 0.5s;
}

.nav-menu li a:hover::before {
    left: 100%;
}

.nav-menu li a:hover {
    background: rgba(99, 102, 241, 0.15);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.nav-menu li a.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-greeting {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-sm);
}

.btn-logout {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gradient-danger);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-logout:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.5);
}

/* Installment Preview Styles */
.installment-preview {
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.preview-header {
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

#installmentPreviewContent {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.form-hint {
    display: block;
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
}

/* Navigation Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-brand {
        justify-content: center;
    }

    .nav-menu {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .nav-menu li a {
        justify-content: center;
    }

    .nav-user {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .user-greeting {
        text-align: center;
    }

    .btn-logout {
        width: 100%;
    }
}


/* ==================== CONTAINER ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    animation: fadeIn 0.6s ease;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== HEADER ==================== */
.header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    animation: slideDown 0.6s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.app-title {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.app-title .icon {
    font-size: 3.5rem;
    filter: drop-shadow(0 4px 12px rgba(99, 102, 241, 0.5));
    animation: bounce 2s ease infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.app-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    font-weight: 300;
}

/* ==================== SUMMARY CARDS ==================== */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.summary-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.summary-card:hover::before {
    transform: scaleX(1);
}

.summary-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.3);
}

.summary-icon {
    font-size: 2.5rem;
    filter: drop-shadow(0 2px 8px rgba(99, 102, 241, 0.3));
}

.summary-content {
    flex: 1;
}

.summary-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.summary-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
}

.total-card .summary-value {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== SECTIONS ==================== */
.form-section,
.filter-section,
.expenses-section {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.form-section:hover,
.filter-section:hover,
.expenses-section:hover {
    box-shadow: var(--shadow-lg);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

/* ==================== FORMS ==================== */
.form-grid,
.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group select {
    background: var(--bg-secondary);
    border: 2px solid var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-base);
    outline: none;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

/* ==================== BUTTONS ==================== */
.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width var(--transition-slow), height var(--transition-slow);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-icon {
    font-size: 1.125rem;
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
}

.btn-danger {
    background: var(--gradient-danger);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.5);
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

/* ==================== EXPENSES LIST ==================== */
.expenses-list {
    display: grid;
    gap: var(--spacing-md);
}

.expense-card {
    background: var(--bg-secondary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
    transition: all var(--transition-base);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.expense-card:hover {
    transform: translateX(5px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.expense-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.expense-details {
    flex: 1;
}

.expense-description {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.expense-meta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.expense-category,
.expense-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.expense-amount-section {
    text-align: right;
}

.expense-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-danger);
    margin-bottom: var(--spacing-sm);
}

.expense-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-edit,
.btn-delete {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-edit:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.btn-delete:hover {
    background: var(--accent-danger);
    border-color: var(--accent-danger);
    color: white;
}

/* ==================== EMPTY STATE ==================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.empty-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ==================== MODAL ==================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: scaleIn 0.3s ease;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.close-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.modal-actions .btn {
    flex: 1;
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 768px) {
    body {
        padding: var(--spacing-md);
    }

    .app-title {
        font-size: 2rem;
    }

    .app-title .icon {
        font-size: 2.5rem;
    }

    .summary-grid {
        grid-template-columns: 1fr;
    }

    .form-grid,
    .filter-grid {
        grid-template-columns: 1fr;
    }

    .expense-card {
        grid-template-columns: auto 1fr;
    }

    .expense-amount-section {
        grid-column: 1 / -1;
        text-align: left;
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: var(--spacing-sm);
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* ==================== AUTHENTICATION PAGES ==================== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

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

.auth-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    animation: scaleIn 0.4s ease;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-title {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.auth-title .icon {
    font-size: 2.5rem;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.auth-form .form-group {
    margin-bottom: 0;
}

.form-hint {
    display: block;
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--accent-danger);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--accent-danger);
    font-size: 0.875rem;
    animation: shake 0.3s ease;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-10px);
    }

    75% {
        transform: translateX(10px);
    }
}

.btn-block {
    width: 100%;
}

.auth-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.auth-footer p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.auth-footer a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
}

.auth-footer a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

/* ==================== PROFILE PAGE ==================== */
.profile-section,
.stats-section {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.profile-card {
    background: var(--bg-secondary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.profile-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.info-item label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ==================== BUDGET CARDS ==================== */
.budgets-list {
    display: grid;
    gap: var(--spacing-lg);
}

.budget-card {
    background: var(--bg-secondary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    animation: slideIn 0.3s ease;
}

.budget-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.budget-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.budget-info {
    flex: 1;
}

.budget-category {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.budget-period {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.btn-delete-budget {
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-primary);
}

.btn-delete-budget:hover {
    background: var(--accent-danger);
    border-color: var(--accent-danger);
    transform: scale(1.1);
}

.budget-amounts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.amount-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.amount-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.amount-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.amount-value.success {
    color: var(--accent-success);
}

.amount-value.warning {
    color: var(--accent-warning);
}

.amount-value.danger {
    color: var(--accent-danger);
}

.budget-progress {
    margin-bottom: var(--spacing-md);
}

.progress-bar {
    height: 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    transition: width var(--transition-slow);
    border-radius: 6px;
}

.progress-fill.success {
    background: var(--gradient-success);
}

.progress-fill.warning {
    background: var(--gradient-warning);
}

.progress-fill.danger {
    background: var(--gradient-danger);
}

.progress-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
}

.budget-alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
}

.budget-alert.warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--accent-warning);
    color: var(--accent-warning);
}

.budget-alert.danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--accent-danger);
    color: var(--accent-danger);
}

@media (max-width: 768px) {
    .budget-amounts {
        grid-template-columns: 1fr;
    }
}

/* ==================== PAYMENT METHOD CARDS ==================== */
.payment-methods-list {
    display: grid;
    gap: var(--spacing-md);
}

.payment-method-card {
    background: var(--bg-secondary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.payment-method-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.payment-method-card.inactive {
    opacity: 0.6;
}

.pm-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.pm-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.pm-info {
    flex: 1;
}

.pm-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.last-four {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-left: var(--spacing-xs);
}

.pm-type {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.pm-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.pm-status.active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-success);
}

.pm-status.inactive {
    background: rgba(107, 114, 128, 0.1);
    color: var(--text-muted);
}

.pm-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.pm-note {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-style: italic;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8125rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-base);
}

.btn-sm.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-sm.btn-secondary:hover {
    background: var(--accent-primary);
    color: white;
}

.btn-sm.btn-danger {
    background: var(--accent-danger);
    color: white;
}

.btn-sm.btn-danger:hover {
    background: #dc2626;
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .pm-header {
        flex-wrap: wrap;
    }

    .pm-actions {
        width: 100%;
        justify-content: stretch;
    }

    .btn-sm {
        flex: 1;
    }
}

/* ==================== FORM ACTIONS ==================== */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }
}

/* ==================== QUICK ACTIONS ==================== */
.quick-actions {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.btn-large {
    font-size: 1.125rem;
    padding: var(--spacing-md) var(--spacing-xl);
    min-width: 250px;
}

/* ==================== MONTH NAVIGATION ==================== */
.month-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.current-month {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 200px;
    text-align: center;
    margin: 0;
}

.btn-month {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-base);
}

.btn-month:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateX(0) scale(1.05);
}

.btn-month:active {
    transform: scale(0.95);
}

/* ==================== MOBILE NAVBAR ==================== */
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-sm);
}

@media (max-width: 768px) {
    .navbar-toggle {
        display: block;
    }

    .nav-container {
        flex-wrap: wrap;
    }

    .nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0;
        margin-top: var(--spacing-md);
        border-top: 1px solid rgba(99, 102, 241, 0.2);
        padding-top: var(--spacing-md);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu li a {
        width: 100%;
        padding: var(--spacing-md);
        border-radius: var(--radius-sm);
    }

    .nav-user {
        margin-left: auto;
    }

    .user-greeting {
        display: none;
    }

    .month-navigation {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .current-month {
        font-size: 1.25rem;
        min-width: auto;
    }

    .btn-large {
        width: 100%;
        min-width: auto;
    }
}