@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #C0C1BB;
    --primary-light: #e8e9e6;
    --primary-dark: #a1a39a;
    --accent-color: #C0C1BB;
    --accent-hover: #a1a39a;
    --bg-color: #f7f7f7;
    --surface-color: #ffffff;
    --surface-border: #e2e2e2;
    --text-primary: #333333;
    --text-secondary: #666666;
    --success-color: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --danger-color: #f43f5e;
    --danger-bg: rgba(244, 63, 94, 0.1);
    --warning-color: #f59e0b;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-glass: 0 8px 32px 0 rgba(192, 193, 187, 0.3);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(255, 182, 193, 0.2), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(255, 192, 203, 0.3), transparent 25%);
    background-attachment: fixed;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--surface-border);
}

h1 {
    font-weight: 700;
    font-size: 2rem;
    color: #d16b8c; /* Deeper pink for contrast */
}

.year-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
}

select, input {
    background: #ffffff;
    border: 1px solid var(--surface-border);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

select:focus, input:focus {
    border-color: #d16b8c;
    box-shadow: 0 0 0 2px rgba(255, 182, 193, 0.5);
}

.dashboard-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--surface-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glass);
}

.stat-card h3 {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.stat-card .value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #d16b8c;
}

.stat-card.total-income .value { color: var(--success-color); }
.stat-card.occupied-rooms .value { color: #d16b8c; }

.floor-section {
    margin-bottom: 3rem;
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--surface-border);
    overflow: hidden;
}

.floor-title {
    font-size: 1.25rem;
    padding: 1.5rem;
    background: var(--surface-color);
    border-bottom: 1px solid var(--surface-border);
    color: #d16b8c;
    margin: 0;
}

.table-container {
    background: var(--surface-color);
    border-radius: var(--radius-md);
    padding: 10px;
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
    margin-bottom: 20px;
    max-width: 100%;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th, .data-table td {
    padding: 6px 4px;
    text-align: center;
    border-bottom: 1px solid var(--surface-border);
    border-right: 1px solid var(--surface-border);
    white-space: nowrap;
}

.data-table th:last-child, .data-table td:last-child {
    border-right: none;
}

.data-table th {
    background: rgba(255, 182, 193, 0.2);
    color: #d16b8c;
    font-weight: 600;
    position: sticky;
    top: 0;
}

.data-table tr:hover {
    background: rgba(255, 182, 193, 0.05);
}

.data-table td {
    color: var(--text-primary);
}

.cell-name {
    text-align: left !important;
    font-weight: 500;
}

.badge {
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
}

.badge.vacant { background: var(--danger-bg); color: var(--danger-color); border: 1px solid var(--danger-color); }

.payment-cell {
    cursor: pointer;
    transition: background 0.2s;
    font-weight: 500;
}

.payment-cell:hover {
    background: rgba(255, 182, 193, 0.3);
}

.payment-cell.paid {
    color: var(--success-color);
    background: var(--success-bg);
}

.payment-cell.unpaid {
    color: #aaa;
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-color);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    width: 90%;
    max-width: 400px;
    box-shadow: var(--shadow-glass);
    transform: translateY(20px);
    transition: transform 0.3s;
}

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

.modal h2 {
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-group input {
    width: 100%;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

.btn-danger {
    background: transparent;
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.btn-danger:hover {
    background: var(--danger-bg);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--surface-border);
}

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

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

.fade-in {
    animation: fadeIn 0.4s ease forwards;
}

.loader {
    border: 4px solid var(--surface-border);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 50px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
}

/* Login Screen */
.login-screen {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}
.login-box {
    background: var(--surface-color);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--surface-border);
}
.login-box h2 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-primary);
}
.login-error {
    color: var(--danger-color);
    background: var(--danger-bg);
    padding: 10px;
    border-radius: 4px;
    font-size: 0.9rem;
    margin-bottom: 15px;
    display: none;
    text-align: center;
}