:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --secondary: #10B981;
    --secondary-hover: #059669;
    --bg-gradient-1: #0f172a;
    --bg-gradient-2: #1e1b4b;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --danger: #ef4444;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-1), var(--bg-gradient-2));
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    padding: 2rem;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Header */
header {
    padding: 1.5rem 2rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.print-only-logo {
    display: none;
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-actions {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    color: white;
}

.btn-primary {
    background: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-main);
}
.btn-outline:hover {
    background: var(--glass-bg);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}
.btn-danger:hover {
    background: var(--danger);
    color: white;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s;
}
.btn-icon:hover {
    color: var(--text-main);
}

/* Table Content */
.main-content {
    padding: 1.5rem;
    min-height: 500px;
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

th {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.03);
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    width: 100%;
    max-width: 500px;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 1.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.2rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}
.form-row .form-group {
    flex: 1;
}

label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

input, select {
    width: 100%;
    padding: 0.8rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-main);
    font-family: inherit;
    transition: border-color 0.2s;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary);
}

/* Date input specific styles for dark mode */
input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    opacity: 0.7;
    cursor: pointer;
}

select option {
    background: var(--bg-gradient-1);
    color: var(--text-main);
}

.total-group {
    background: rgba(16, 185, 129, 0.1);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(16, 185, 129, 0.2);
    text-align: right;
}
.total-group label {
    margin: 0;
    color: var(--text-main);
    font-weight: 600;
    font-size: 1.1rem;
}
#entry-total-display {
    color: var(--secondary);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

.hidden {
    display: none !important;
}

/* Settings Modal */
.settings-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
}
.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-weight: 500;
    transition: color 0.2s;
    font-family: inherit;
    font-size: 0.95rem;
}
.tab-btn.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
}
.tab-btn:hover {
    color: var(--text-main);
}
.add-option-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}
.add-option-form input {
    flex: 1;
}
.settings-list {
    list-style: none;
    max-height: 250px;
    overflow-y: auto;
    padding-right: 0.5rem;
}
.settings-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem;
    background: rgba(0,0,0,0.2);
    margin-bottom: 0.5rem;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}
/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 4px;
}

/* Print Styles */
@media print {
    @page {
        margin: 0.5cm; /* Removes browser headers/footers */
    }
    body {
        background: white !important;
        color: black !important;
        padding: 0 !important;
    }
    
    .glass-panel {
        background: none !important;
        border: none !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }
    
    .no-print, .header-actions, .modal-overlay {
        display: none !important;
    }
    
    .header-content {
        display: block !important;
        text-align: center !important;
        width: 100%;
    }
    
    h1 {
        background: none !important;
        -webkit-text-fill-color: black !important;
        color: black !important;
        text-align: center;
        margin-bottom: 2rem;
    }

    .print-only-logo {
        display: block !important;
        max-width: 70%;
        max-height: 100px;
        margin: 0 auto 2rem auto;
        object-fit: contain;
    }
    
    .table-container {
        overflow: visible !important;
    }

    table {
        border: 1px solid #ddd;
        width: 100% !important;
        table-layout: auto;
    }
    
    th, td {
        border: 1px solid #ddd;
        padding: 4px 6px;
        color: black !important;
        font-size: 11px;
    }
    
    th {
        background-color: #f3f4f6 !important;
    }

    .main-content {
        padding: 0;
    }
}

/* Login Styles */
.login-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.login-modal {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    text-align: center;
}

.login-modal h2 {
    margin-bottom: 1rem;
    color: var(--text-main);
}

.login-modal p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.error-text {
    color: var(--danger);
    margin-top: 1rem;
    margin-bottom: 0 !important;
}