/* ======================== VARIABLES & RESETS ======================== */
:root {
    --primary: #f97316;
    --primary-dark: #ea580c;
    --primary-light: #fff7ed;
    --primary-gradient: linear-gradient(135deg, #f97316 0%, #ea580c 50%, #fdba74 100%);
    --secondary: #0f172a;
    --secondary-gradient: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fed7aa;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;
    --purple: #8b5cf6;
    --purple-light: #ede9fe;
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

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

body { 
    font-family: 'Inter', sans-serif; 
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    color: var(--gray-900); 
    overflow-x: hidden;
    min-height: 100vh;
}

.hidden { display: none !important; }

/* ======================== ANIMATIONS ======================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

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

.fade-in { animation: fadeIn 0.5s ease; }
.slide-up { animation: slideUp 0.5s ease; }
.slide-down { animation: slideDown 0.5s ease; }
.slide-left { animation: slideLeft 0.5s ease; }

/* ======================== MOBILE MENU BUTTON ======================== */
.mobile-menu-btn {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1001;
    background: var(--primary-gradient);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.mobile-menu-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.mobile-menu-btn:active {
    transform: scale(0.95);
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 999;
    display: none;
}

.mobile-overlay.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* ======================== AUTH STYLES ======================== */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary-gradient);
    padding: 1rem;
    position: relative;
    overflow: hidden;
}

.auth-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><path fill="rgba(255,255,255,0.03)" d="M100 0L200 100L100 200L0 100Z"/></svg>') repeat;
    opacity: 0.1;
}

.auth-container {
    width: 100%;
    max-width: 460px;
    padding: 0.5rem;
    animation: slideUp 0.6s ease;
}

.auth-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 2.5rem 2rem;
    border-radius: 48px;
    box-shadow: var(--shadow-2xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform var(--transition-normal);
}

.auth-card:hover {
    transform: translateY(-5px);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo {
    max-width: 200px;
    width: 100%;
    height: auto;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

.auth-header h3 {
    background: var(--primary-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.input-group-modern {
    margin-bottom: 1.25rem;
}

.input-group-modern label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.forgot-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.forgot-link:hover {
    color: var(--primary-dark);
}

.input-field {
    position: relative;
    display: flex;
    align-items: center;
}

.input-field i {
    position: absolute;
    left: 1rem;
    color: var(--gray-400);
    font-size: 1rem;
    cursor: pointer;
    z-index: 2;
    transition: color var(--transition-fast);
}

.input-field input {
    width: 100%;
    background-color: var(--gray-50);
    border: 2px solid var(--gray-200);
    padding: 0.9rem 1rem 0.9rem 2.8rem;
    border-radius: 20px;
    font-size: 1rem;
    color: var(--gray-900);
    outline: none;
    transition: all var(--transition-fast);
}

.input-field input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.1);
}

.input-field input:focus + i {
    color: var(--primary);
}

.auth-utilities {
    margin: 1rem 0 1.5rem 0;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--gray-600);
    cursor: pointer;
}

.checkbox-container input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

.btn-secure {
    width: 100%;
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 24px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-secure::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-secure:hover::before {
    width: 300px;
    height: 300px;
}

.btn-secure:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ======================== APP LAYOUT ======================== */
.app-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
}

/* Sidebar Logo */
.sidebar-logo {
    width: 180px;
    object-fit: contain;
    transition: transform var(--transition-normal);
}

.sidebar-logo:hover {
    transform: scale(1.02);
}

/* Sidebar - Modern Redesign */
.app-sidebar {
    width: 280px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border-right: none;
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: transform var(--transition-normal);
}

.app-sidebar::-webkit-scrollbar {
    width: 6px;
}

.app-sidebar::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 10px;
}

.app-sidebar::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 10px;
}

/* Main Content */
.app-content {
    flex: 1;
    margin-left: 280px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.content-header {
    height: 80px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.view-container {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    background: linear-gradient(135deg, var(--gray-50) 0%, #f1f5f9 100%);
}

/* ======================== NAVIGATION ======================== */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-100);
}

.logo-sq {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
}

.nav-section {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--gray-400);
    margin: 1.5rem 0 0.75rem 0;
    display: block;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 14px;
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    margin-bottom: 0.25rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--primary-gradient);
    transform: scaleY(0);
    transition: transform var(--transition-normal);
}

.nav-link:hover::before {
    transform: scaleY(1);
}

.nav-link:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, #fff7ed 100%);
    transform: translateX(4px);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--primary-light) 0%, #fff7ed 100%);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.nav-link.active::before {
    transform: scaleY(1);
}

.sidebar-user {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--gray-100);
}

.user-avatar {
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    font-size: 1.1rem;
    box-shadow: var(--shadow-md);
}

.user-meta {
    flex: 1;
    display: flex;
    flex-direction: column;
    font-size: 0.8rem;
}

.user-meta span {
    font-weight: 700;
    color: var(--gray-900);
}

.user-meta small {
    color: var(--gray-500);
    font-size: 0.7rem;
}

#logout-btn {
    background: var(--gray-100);
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--gray-600);
    transition: all var(--transition-fast);
    padding: 0.6rem;
    border-radius: 12px;
}

#logout-btn:hover {
    background: var(--danger-light);
    color: var(--danger);
    transform: rotate(180deg);
}

/* ======================== DASHBOARD CARDS ======================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: none;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

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

.stat-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-light);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.8rem;
    flex-shrink: 0;
    transition: transform var(--transition-normal);
}

.stat-card:hover .stat-icon {
    transform: scale(1.05) rotate(5deg);
}

.stat-info h3 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-500);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-info h2 {
    font-size: 2rem;
    font-weight: 800;
    background: var(--secondary-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Chart Cards */
.chart-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 1.5rem;
}

.chart-card {
    background: white;
    border-radius: var(--radius-xl);
    border: none;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.chart-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.card-head h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-800);
}

.chart-wrapper {
    height: 300px;
    position: relative;
}

/* Buttons */
.btn-sm {
    background: var(--gray-100);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--gray-700);
}

.btn-sm:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
    padding: 0.8rem 1.8rem;
    border-radius: 14px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--gray-200);
    transform: translateY(-2px);
}

/* ======================== TABLES ======================== */
.table-wrapper {
    background: white;
    border-radius: var(--radius-xl);
    overflow-x: auto;
    box-shadow: var(--shadow-md);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

th {
    text-align: left;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, var(--gray-50) 0%, #f8fafc 100%);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--gray-600);
    border-bottom: 2px solid var(--gray-200);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.875rem;
    transition: background var(--transition-fast);
}

tr:hover td {
    background: var(--gray-50);
}

/* Badges */
.badge {
    display: inline-flex;
    padding: 0.3rem 0.8rem;
    border-radius: 30px;
    font-size: 0.7rem;
    font-weight: 700;
}

.badge-Closed {
    background: linear-gradient(135deg, var(--success-light) 0%, #d1fae5 100%);
    color: var(--success);
}

.badge-Pending {
    background: linear-gradient(135deg, var(--warning-light) 0%, #fed7aa 100%);
    color: var(--warning);
}

.badge-product {
    background: linear-gradient(135deg, var(--info-light) 0%, #dbeafe 100%);
    padding: 0.3rem 0.7rem;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--info);
    display: inline-block;
}

/* Action Buttons */
.delete-btn, .edit-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 0.5rem 0.7rem;
    transition: all var(--transition-fast);
    border-radius: 10px;
}

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

.edit-btn:hover {
    background: var(--primary-light);
    transform: scale(1.1);
}

.delete-btn {
    color: var(--gray-500);
}

.delete-btn:hover {
    background: var(--danger-light);
    color: var(--danger);
    transform: scale(1.1);
}

/* ======================== EMPLOYEE CARDS ======================== */
.employee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.employee-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    border: none;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.employee-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

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

.employee-card h4 {
    font-weight: 800;
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
    color: var(--gray-800);
}

.employee-card p {
    font-size: 0.7rem;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.employee-stats {
    margin-top: 1rem;
}

.employee-stats div {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
}

.employee-stats .label {
    color: var(--gray-500);
    font-weight: 500;
}

.employee-stats .value {
    font-weight: 700;
    color: var(--gray-800);
}

/* Progress Bar */
.progress-bar {
    background: var(--gray-200);
    border-radius: 20px;
    height: 8px;
    overflow: hidden;
    margin-top: 8px;
}

.progress-fill {
    background: var(--primary-gradient);
    height: 100%;
    border-radius: 20px;
    transition: width var(--transition-normal);
}

/* ======================== MODALS ======================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 1rem;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: white;
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.4s ease;
}

.modal-header {
    padding: 1.5rem 1.75rem;
    border-bottom: 2px solid var(--gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: white;
    z-index: 10;
}

.modal-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--primary-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.close-btn {
    background: var(--gray-100);
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--gray-600);
    width: 36px;
    height: 36px;
    border-radius: 12px;
    transition: all var(--transition-fast);
}

.close-btn:hover {
    background: var(--danger-light);
    color: var(--danger);
    transform: rotate(90deg);
}

.form-section {
    padding: 1.75rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input, 
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--gray-200);
    border-radius: 14px;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.form-group input:focus, 
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.1);
}

.modal-footer {
    padding: 1.25rem 1.75rem 1.75rem;
    position: sticky;
    bottom: 0;
    background: white;
    border-top: 2px solid var(--gray-100);
}

.view-intro {
    margin-bottom: 2rem;
    margin-top: 50px;
}

.view-intro h1, .view-intro h2 {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--secondary-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.view-intro p {
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* ======================== FILTERS & MONTHLY ANALYTICS ======================== */
.filter-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
}

.filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
}

.filter-group {
    flex: 1;
    min-width: 180px;
}

.filter-group label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-select {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: 14px;
    font-size: 0.875rem;
    background: white;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.1);
}

.filter-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-filter {
    padding: 0.7rem 1.5rem;
    border-radius: 14px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    background: var(--gray-100);
    color: var(--gray-700);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-filter:hover {
    background: var(--gray-200);
    transform: translateY(-2px);
}

.btn-filter.btn-excel {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
}

.btn-filter.btn-excel:hover {
    background: var(--primary-gradient);
}

/* Monthly Stats */
.monthly-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.monthly-stat-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.monthly-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.monthly-stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.monthly-stat-info h3 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.monthly-stat-info h2 {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--secondary-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Monthly Table Card */
.monthly-table-card, .monthly-chart-card {
    background: white;
    border-radius: var(--radius-xl);
    margin-bottom: 1.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 2px solid var(--gray-100);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.card-header h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    color: var(--gray-800);
}

/* ======================== RESPONSIVE DESIGN ======================== */
@media (max-width: 1024px) {
    .chart-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .app-sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    
    .app-sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .app-content {
        margin-left: 0;
    }
    
    .content-header {
        padding-left: 5rem;
        height: 70px;
    }
    
    .view-container {
        padding: 1rem;
    }
    
    .stats-grid, .monthly-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-section {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .filter-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-buttons {
        flex-direction: column;
    }
    
    .btn-filter {
        width: 100%;
        justify-content: center;
    }
    
    .modal-content {
        max-width: 95%;
    }
    
    .view-intro h1, .view-intro h2 {
        font-size: 1.3rem;
    }
    
    .stat-info h2 {
        font-size: 1.5rem;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .view-intro h1, .view-intro h2 {
        font-size: 1.1rem;
    }
    
    .stat-info h2 {
        font-size: 1.2rem;
    }
    
    .chart-wrapper {
        height: 220px;
    }
    
    .btn-primary {
        width: 100%;
        justify-content: center;
    }
    
    .modal-footer {
        flex-direction: column;
    }
}

/* Loading Spinner */
.fa-spin {
    animation: spin 1s linear infinite;
}

/* Toast/Notification Styles */
.toast-notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 3000;
    animation: slideLeft 0.3s ease;
    border-left: 4px solid var(--primary);
}

.toast-success {
    border-left-color: var(--success);
}

.toast-error {
    border-left-color: var(--danger);
}

.toast-warning {
    border-left-color: var(--warning);
}

/* Hover Effects */
.hover-lift {
    transition: transform var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-3px);
}

.hover-scale {
    transition: transform var(--transition-normal);
}

.hover-scale:hover {
    transform: scale(1.02);
}

/* Glassmorphism Effect */
.glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}