:root {
    --primary-color: #4A90E2;
    --primary-hover: #357ABD;
    --secondary-color: #5C6773;
    --secondary-hover: #4B555E;
    --background-color: #F4F6F9;
    --card-background: #FFFFFF;
    --text-color: #333333;
    --muted-color: #7B8794;
    --border-color: #DDE2E7;
    --error-color: #E74C3C;
    --success-color: #2ECC71;
    --multa-color: #F39C12;
    --paid-color: #2ECC71;
    --pending-color: #E74C3C;
    --font-family: 'Poppins', sans-serif;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

/* Global Styles */
.page {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 100vh;
    transition: opacity 0.5s ease-in-out;
}

.page.active {
    display: block;
    animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

header {
    background: var(--card-background);
    padding: 1rem 2rem;
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    flex-wrap: wrap;
}

.logo-text {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text i {
    color: var(--primary-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn {
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn:hover {
    transform: translateY(-2px);
}

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

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

.secondary-btn {
    background-color: var(--secondary-color);
    color: var(--card-background);
}

.secondary-btn:hover {
    background-color: var(--secondary-hover);
}

.logout-btn {
    background-color: var(--error-color);
    color: var(--card-background);
}

.logout-btn:hover {
    background-color: #C0392B;
}

.panel-container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.admin-section, .resident-section {
    background: var(--card-background);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
}

.section-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.action-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.form-section {
    background-color: var(--background-color);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    margin-top: 20px;
}

.form-section h3 {
    margin-bottom: 15px;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1.2rem;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.input-group {
    flex: 1;
    min-width: 250px;
    display: flex;
    flex-direction: column;
}

label {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--secondary-color);
}

input[type="text"],
input[type="password"],
input[type="date"],
input[type="number"],
input[type="email"],
select {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 1rem;
    transition: border-color 0.3s;
    background-color: var(--card-background);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    justify-content: flex-end;
}

.error-message {
    color: var(--error-color);
    margin-top: 10px;
    text-align: center;
    font-weight: 600;
}

.success-message {
    color: var(--success-color);
    margin-top: 10px;
    text-align: center;
    font-weight: 600;
}

.hidden {
    display: none;
}

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

.search-input {
    width: 100%;
    max-width: 400px;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
    font-size: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-background);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--primary-color);
    color: var(--card-background);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
}

tr:hover {
    background-color: #F8F9FA;
}

td .btn {
    padding: 8px 12px;
    font-size: 0.8rem;
}

.status-paid {
    color: var(--paid-color);
    font-weight: 600;
}

.status-pending {
    color: var(--pending-color);
    font-weight: 600;
}

.status-multa {
    color: var(--multa-color);
    font-weight: 600;
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color), #85A3D5);
    min-height: 100vh;
}

.login-container {
    background: var(--card-background);
    padding: 40px 60px; /* Ajuste para márgenes iguales */
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 450px;
    text-align: center;
    margin: 0 auto;
}

.login-container h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.login-container .input-group {
    margin-bottom: 20px;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.4);
    justify-content: center;
    align-items: center;
    padding-top: 50px;
}

.modal-content {
    background-color: var(--card-background);
    margin: auto;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 700px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    animation: zoomIn 0.3s ease-out;
}

@keyframes zoomIn {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal.active {
    display: flex;
}

.close-btn {
    color: var(--muted-color);
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    top: 15px;
    right: 25px;
    cursor: pointer;
}

.modal h3 {
    margin-top: 0;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.modal-body {
    max-height: 60vh;
    overflow-y: auto;
}

/* Spinner */
.spinner-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    display: none;
}

.spinner {
    border: 6px solid var(--border-color);
    border-top: 6px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

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

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    .user-info {
        justify-content: center;
        width: 100%;
    }
    .panel-container {
        padding: 0 10px;
    }
    .form-row {
        flex-direction: column;
    }
    .btn {
        width: 100%;
        justify-content: center;
    }
    .action-buttons {
        flex-direction: column;
        gap: 10px;
    }
}