/* ==================== RESET E VARIÁVEIS ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores Principais */
    --primary: #1a472a;
    --primary-dark: #0f2818;
    --primary-light: #2d6b42;
    --accent: #ffd700;
    --accent-dark: #d4af37;
    
    /* Cores de Status */
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    /* Cores Neutras */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transições */
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0f2818 0%, #1a472a 50%, #2d6b42 100%);
    color: var(--gray-900);
    line-height: 1.6;
    min-height: 100vh;
}

/* ==================== TOAST NOTIFICATION ==================== */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: var(--shadow-xl);
    color: var(--white);
    font-weight: 500;
    z-index: 10000;
    transform: translateX(400px);
    opacity: 0;
    transition: var(--transition);
    max-width: 400px;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

.toast.warning {
    background: var(--warning);
}

.toast.info {
    background: var(--info);
}

/* ==================== LOADING OVERLAY ==================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-overlay.show {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==================== TELAS DE AUTENTICAÇÃO ==================== */
.auth-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-container {
    width: 100%;
    max-width: 480px;
}

.auth-card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    padding: 40px;
    animation: slideUp 0.6s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.auth-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.auth-header p {
    color: var(--gray-600);
    font-size: 14px;
}

/* ==================== FORMULÁRIOS ==================== */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--gray-700);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group label i {
    color: var(--primary);
    width: 16px;
}

.form-group input,
.form-group select {
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 71, 42, 0.1);
}

.form-group input::placeholder {
    color: var(--gray-400);
}

.password-input {
    position: relative;
}

.password-input input {
    padding-right: 48px;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 8px;
    transition: var(--transition);
}

.toggle-password:hover {
    color: var(--primary);
}

.form-hint {
    font-size: 12px;
    color: var(--gray-500);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    margin-top: -8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 400;
    color: var(--gray-700);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

.forgot-password {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.forgot-password:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.link-primary {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.link-primary:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ==================== BOTÕES ==================== */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

/* ==================== FOOTER DE AUTENTICAÇÃO ==================== */
.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
    color: var(--gray-600);
    font-size: 14px;
}

.auth-demo-info {
    margin-top: 24px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    font-size: 13px;
}

.auth-demo-info p {
    margin: 4px 0;
    color: var(--gray-600);
}

.auth-demo-info code {
    background: var(--white);
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--primary);
    font-weight: 600;
    border: 1px solid var(--gray-200);
}

/* ==================== NAVBAR ==================== */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-md);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.navbar-brand i {
    font-size: 28px;
}

.navbar-menu {
    display: flex;
    gap: 8px;
    flex: 1;
}

.navbar-item {
    padding: 10px 16px;
    color: var(--gray-700);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.navbar-item:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.navbar-item.active {
    background: var(--primary);
    color: var(--white);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 16px;
    font-weight: 500;
    color: var(--gray-700);
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    padding: 32px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.page {
    display: none;
    animation: fadeIn 0.5s ease;
}

.page.active {
    display: block;
}

.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
}

/* ==================== STATS GRID ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--white);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--white);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 500;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-900);
}

/* ==================== WELCOME MESSAGE ==================== */
.welcome-message {
    background: var(--white);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.welcome-message h2 {
    font-size: 28px;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.welcome-message p {
    font-size: 16px;
    color: var(--gray-600);
}

/* ==================== RESPONSIVIDADE ==================== */
@media (max-width: 768px) {
    .auth-card {
        padding: 24px;
    }
    
    .auth-header h1 {
        font-size: 24px;
    }
    
    .auth-logo {
        width: 64px;
        height: 64px;
        font-size: 28px;
    }
    
    .navbar {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .navbar-menu {
        order: 3;
        width: 100%;
        flex-direction: column;
    }
    
    .navbar-user {
        margin-left: auto;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .auth-screen {
        padding: 12px;
    }
    
    .auth-card {
        padding: 20px;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .navbar {
        padding: 12px;
    }
    
    .navbar-brand span {
        display: none;
    }
    
    .main-content {
        padding: 20px 12px;
    }
}