/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Navbar */
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand h1 {
    font-size: 1.8rem;
    font-weight: 300;
    margin: 0;
    color: white;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.nav-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.nav-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-weight: 500;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 1rem;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
}

.nav-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.nav-user {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-size: 0.9rem;
}

.nav-user-inline {
    margin-top: 10px;
    padding: 8px 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    text-align: center;
}

.nav-user-inline .user-status {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
}

.desktop-only {
    display: flex;
}

@media (max-width: 768px) {
    .desktop-only {
        display: none;
    }
}

.user-status {
    color: rgba(255, 255, 255, 0.9);
}

.user-status strong {
    color: white;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 70px);
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        gap: 15px;
        transition: right 0.3s ease;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-links {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 10px;
    }
    
    .nav-link {
        width: 100%;
        text-align: left;
        padding: 12px 15px;
    }
    
    .nav-user {
        width: 100%;
        margin-top: auto;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .container {
        padding: 10px;
    }
}

/* Header (deprecated - kept for compatibility) */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px 0;
    text-align: center;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 300;
    margin: 0;
}

/* Sections */
section {
    background: white;
    padding: 25px;
    margin-bottom: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

section h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.5rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

/* Form styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-danger {
    background: #e74c3c;
    color: white;
    padding: 8px 16px;
    font-size: 14px;
}

.btn-danger:hover {
    background: #c0392b;
    transform: translateY(-1px);
}

/* Filter section */
.filter-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

.filter-group select {
    width: 100%;
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

.total-display {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(17, 153, 142, 0.3);
}

/* Table styles */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #555;
    position: sticky;
    top: 0;
}

tbody tr:hover {
    background-color: #f8f9fa;
}

/* Messages */
.loading {
    text-align: center;
    padding: 20px;
    color: #666;
    font-style: italic;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 5px;
    border: 1px solid #f5c6cb;
    margin-bottom: 20px;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 5px;
    border: 1px solid #c3e6cb;
    margin-bottom: 20px;
}

.no-expenses {
    text-align: center;
    padding: 40px;
    color: #666;
    font-style: italic;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .filter-section {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        min-width: auto;
    }
    
    .total-display {
        text-align: center;
    }
    
    section {
        padding: 15px;
    }
    
    .table-container {
        font-size: 14px;
    }
    
    th, td {
        padding: 8px;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5rem;
    }
    
    section h2 {
        font-size: 1.2rem;
    }
    
    .table-container {
        font-size: 12px;
    }
    
    th, td {
        padding: 6px;
    }
    
    .btn-danger {
        padding: 6px 12px;
        font-size: 12px;
    }
}

/* Animation for new rows */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.new-row {
    animation: slideIn 0.3s ease-out;
}

/* Form validation styles */
.form-group input:invalid,
.form-group select:invalid {
    border-color: #e74c3c;
}

.form-group input:valid,
.form-group select:valid {
    border-color: #27ae60;
}

/* Pill-style Filter Buttons */
.pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 5px;
}

.pill-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    background-color: #f1f3f5;
    color: #495057;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    min-height: 40px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    white-space: nowrap;
}

.pill-btn:hover {
    background-color: #e9ecef;
    color: #343a40;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.pill-btn[data-selected] {
    background: linear-gradient(135deg, #4F46E5 0%, #10B981 100%);
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
    transform: translateY(-1px);
}

/* Category Buttons - Same pill-style as filter */
.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 5px;
    margin-bottom: 15px;
}

.category-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    background-color: #f1f3f5;
    color: #495057;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    min-height: 40px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    white-space: nowrap;
}

.category-btn:hover {
    background-color: #e9ecef;
    color: #343a40;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.category-btn[data-selected] {
    background: linear-gradient(135deg, #4F46E5 0%, #10B981 100%);
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
    transform: translateY(-1px);
}

/* Date Filter */
.date-filter {
    width: 100%;
    padding: 10px;
    border: 2px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
    background-color: white;
    transition: border-color 0.3s ease;
}

.date-filter:focus {
    outline: none;
    border-color: #4F46E5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

/* Authentication Section */
.auth-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    margin-bottom: 30px;
}

.auth-info {
    font-size: 16px;
    font-weight: 500;
}

.auth-note {
    margin-top: 10px;
    opacity: 0.8;
    font-size: 12px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
}

.modal-content {
    background-color: white;
    margin: 15% auto;
    padding: 0;
    border-radius: 10px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #eee;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px 10px 0 0;
}

.modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 500;
}

.close {
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    background: none;
    border: none;
    color: white;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.close:hover {
    opacity: 1;
}

.modal-body {
    padding: 20px;
}
@media (max-width: 768px) {
    .pill-group {
        gap: 6px;
    }
    
    .pill-btn {
        padding: 8px 16px;
        font-size: 13px;
        min-height: 36px;
    }
}

@media (max-width: 480px) {
    .pill-group {
        gap: 4px;
    }
    
    .pill-btn {
        padding: 6px 12px;
        font-size: 12px;
        min-height: 32px;
    }
}

/* Category Management Styles */
.category-input-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.category-input-group select {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

.btn-sm {
    padding: 8px 12px;
    font-size: 12px;
    min-height: auto;
}

.category-list {
    margin-bottom: 20px;
    max-height: 200px;
    overflow-y: auto;
}

.category-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border: 1px solid #eee;
    border-radius: 5px;
    margin-bottom: 8px;
    background: #f9f9f9;
}

.category-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.category-name {
    font-weight: 500;
}

.category-badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    background: #667eea;
    color: white;
}

.add-category-form {
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.add-category-form h4 {
    margin-bottom: 15px;
    color: #333;
}

.add-category-form input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    margin-bottom: 10px;
}

.modal-close {
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    background: none;
    border: none;
    color: white;
    opacity: 0.8;
    transition: opacity 0.3s;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    opacity: 1;
}

/* Password Input Toggle */
.password-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-group input {
    width: 100%;
    padding-right: 40px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
}

.password-input-group input.show-password {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M17.94 17.94A10.07 10.07 0 0 1 12 20c-7 0-11-8-11-8a18.45 18.45 0 0 1 5.06-5.94M9.9 4.24A9.12 9.12 0 0 1 12 4c7 0 11 8 11 8a18.5 18.5 0 0 1-2.16 3.19m-6.72-1.07a3 3 0 1 1-4.24-4.24'/%3E%3Cline x1='1' y1='1' x2='23' y2='23'/%3E%3C/svg%3E");
}

.password-toggle {
    display: none; /* Hide the button since we're using background image */
}