/* ================= COMPLETE ADMIN CSS ================= */

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

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

:root {
    /* Modern Color Palette */
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --primary-light: #eef2ff;
    --secondary: #7209b7;
    --secondary-light: #f3e8ff;
    --accent: #f72585;
    --accent-light: #ffe4ec;
    --light: #ffffff;
    --dark: #1a1d2b;
    --dark-light: #2d3347;
    --gray: #6c757d;
    --gray-light: #adb5bd;
    --light-gray: #e9ecef;
    --success: #00b894;
    --success-light: #d1f7f0;
    --danger: #ff4757;
    --danger-light: #ffeaea;
    --warning: #ff9f43;
    --warning-light: #fff4e6;
    --info: #2e86de;
    
    /* Design System */
    --border-radius-sm: 8px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 15px 50px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition-fast: 0.2s ease;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s ease;
    
    /* Spacing System */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-xxl: 48px;
    --space-xxxl: 64px;
}

body {
    background: linear-gradient(135deg, #f8faff 0%, #f0f5ff 100%);
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* Modern Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    border: 2px solid #f1f1f1;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
}

/* Selection Style */
::selection {
    background-color: var(--primary);
    color: white;
}

/* ================= ADMIN BODY ================= */
.admin-body {
    background: linear-gradient(135deg, #f5f7ff 0%, #edf0ff 100%);
    min-height: 100vh;
    position: relative;
}

.admin-body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    z-index: -1;
    opacity: 0.05;
}

/* Mobile Menu Button */
.admin-mobile-menu {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1001;
    background: var(--primary);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius);
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.admin-mobile-menu:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Admin Header */
.admin-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: var(--space-xl) 5%;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    min-height: 80px;
}

.admin-header::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    z-index: 1;
}

.admin-header::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    z-index: 1;
}

.admin-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* Admin Back Button */
.admin-back {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
    transition: all var(--transition);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.admin-back:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.admin-back i {
    font-size: 1.2rem;
}

/* Admin Title */
.admin-header h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.admin-header h1 i {
    font-size: 2.2rem;
    -webkit-text-fill-color: white;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

/* Admin User Info */
.admin-user {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: rgba(255, 255, 255, 0.15);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    min-width: 200px;
}

.admin-user:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.admin-user i {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

#adminStatus {
    font-weight: 500;
    color: white;
    font-size: 0.95rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Admin Container */
.admin-container {
    max-width: 1400px;
    margin: var(--space-xxl) auto;
    padding: 0 5%;
    animation: fadeIn 0.5s ease-out;
}

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

/* ================= LOGIN SECTION ================= */
.admin-login-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
    padding: var(--space-xl) 0;
}

.login-card {
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-xxl);
    width: 100%;
    max-width: 500px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
    transform: translateY(0);
    transition: transform var(--transition);
}

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

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
}

.login-card h2 {
    color: var(--dark);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1.8rem;
    font-weight: 600;
}

.login-card h2 i {
    color: var(--primary);
    font-size: 2rem;
}

.login-description {
    color: var(--gray);
    margin-bottom: var(--space-xl);
    font-size: 1rem;
    line-height: 1.6;
}

/* Login Form */
.login-form {
    margin-top: var(--space-xl);
}

/* Form Groups */
.form-group {
    margin-bottom: var(--space-lg);
    position: relative;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-weight: 500;
    color: var(--dark);
    font-size: 0.95rem;
}

.form-group label i {
    color: var(--primary);
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

.form-group input {
    width: 100%;
    padding: 15px 16px;
    border: 2px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: all var(--transition);
    outline: none;
    background: white;
    font-family: 'Inter', sans-serif;
}

.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

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

.form-group small {
    display: block;
    margin-top: var(--space-xs);
    color: var(--gray);
    font-size: 0.85rem;
    line-height: 1.4;
}

/* Login Button */
.btn-login {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    position: relative;
    overflow: hidden;
    margin-top: var(--space-lg);
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

.btn-login:hover::before {
    left: 100%;
}

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

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

.btn-login i {
    font-size: 1.2rem;
}

/* Login Note */
.login-note {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary);
}

.login-note p {
    margin-bottom: var(--space-md);
    color: var(--dark);
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-weight: 500;
}

.login-note p i {
    color: var(--primary);
    margin-top: 3px;
}

.login-note ol {
    padding-left: var(--space-xl);
    color: var(--dark-light);
}

.login-note li {
    margin-bottom: var(--space-xs);
    line-height: 1.5;
}

/* ================= DASHBOARD SECTION ================= */
.admin-dashboard {
    animation: slideUp 0.5s ease-out;
}

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

/* Dashboard Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xxl);
    padding-bottom: var(--space-lg);
    border-bottom: 2px solid var(--light-gray);
}

.dashboard-header h2 {
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 2rem;
    font-weight: 700;
}

.dashboard-header h2 i {
    color: var(--primary);
    font-size: 2.2rem;
}

/* Logout Button */
.btn-logout {
    background: linear-gradient(135deg, var(--danger) 0%, #ff6b81 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1rem;
}

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

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

.btn-logout i {
    font-size: 1.2rem;
}

/* ================= STATS CARDS ================= */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xxl);
}

.stat-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: all var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

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

.stat-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
    border-radius: var(--border-radius);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: var(--primary);
    flex-shrink: 0;
}

.stat-info h3 {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: var(--space-xs);
    font-weight: 700;
}

.stat-info p {
    color: var(--gray);
    font-size: 0.95rem;
    font-weight: 500;
}

/* ================= ADD ITEM SECTION ================= */
.add-item-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--space-xxl);
    box-shadow: var(--shadow);
    margin-bottom: var(--space-xxl);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.add-item-section h3 {
    color: var(--dark);
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1.5rem;
    font-weight: 600;
}

.add-item-section h3 i {
    color: var(--primary);
    font-size: 1.8rem;
}

/* Form Layout */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

/* Form Elements */
#addItemForm .form-group {
    margin-bottom: var(--space-lg);
}

#addItemForm label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 500;
    color: var(--dark);
    font-size: 0.95rem;
}

#addItemForm input,
#addItemForm select,
#addItemForm textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: all var(--transition);
    outline: none;
    background: white;
    font-family: 'Inter', sans-serif;
}

#addItemForm input:focus,
#addItemForm select:focus,
#addItemForm textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

#addItemForm textarea {
    min-height: 120px;
    resize: vertical;
}

#addItemForm small {
    display: block;
    margin-top: var(--space-xs);
    color: var(--gray);
    font-size: 0.85rem;
}

/* Form Buttons */
.form-buttons {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.btn-add, .btn-clear {
    flex: 1;
    padding: 16px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 1rem;
    min-height: 50px;
}

.btn-add {
    background: linear-gradient(135deg, var(--success) 0%, #00cec9 100%);
    color: white;
}

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

.btn-clear {
    background: var(--light-gray);
    color: var(--dark);
}

.btn-clear:hover {
    background: #d8d8d8;
    transform: translateY(-2px);
}

.btn-add i, .btn-clear i {
    font-size: 1.2rem;
}

/* ================= MANAGE ITEMS SECTION ================= */
.manage-items-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--space-xxl);
    box-shadow: var(--shadow);
    margin-bottom: var(--space-xxl);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.manage-items-section h3 {
    color: var(--dark);
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1.5rem;
    font-weight: 600;
}

.manage-items-section h3 i {
    color: var(--primary);
    font-size: 1.8rem;
}

/* Search Bar */
.search-admin {
    display: flex;
    margin-bottom: var(--space-xl);
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--light-gray);
    transition: all var(--transition);
}

.search-admin:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.search-admin input {
    flex: 1;
    padding: 15px 20px;
    border: none;
    font-size: 1rem;
    outline: none;
    background: white;
}

.search-admin button {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    padding: 0 30px;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    transition: all var(--transition);
}

.search-admin button:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary) 100%);
}

/* Admin Items Container */
.admin-items-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    min-height: 200px;
}

/* Loading State */
.loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-xxxl) var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
}

.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid var(--light-gray);
    border-top: 5px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading p {
    color: var(--gray);
    font-size: 1.1rem;
    font-weight: 500;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-xxxl) var(--space-lg);
    background: var(--light-gray);
    border-radius: var(--border-radius-lg);
    border: 2px dashed var(--gray-light);
}

.empty-state i {
    font-size: 4rem;
    color: var(--gray-light);
    margin-bottom: var(--space-lg);
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--dark);
}

.empty-state p {
    color: var(--gray);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Admin Item Cards */
.admin-item-card {
    background: white;
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    border-left: 5px solid var(--primary);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--space-lg);
    transition: all var(--transition);
    border: 1px solid var(--light-gray);
}

.admin-item-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--accent);
}

.admin-item-info {
    flex: 1;
    min-width: 300px;
}

.admin-item-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.admin-item-name::before {
    content: '📦';
    font-size: 1.2rem;
}

.admin-item-category {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
    color: var(--primary);
    padding: 6px 15px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    border: 1px solid rgba(67, 97, 238, 0.2);
}

.admin-item-description {
    color: var(--gray);
    margin-bottom: var(--space-md);
    font-size: 0.95rem;
    line-height: 1.5;
}

.admin-item-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--success);
    margin-bottom: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.admin-item-price::before {
    content: '💰';
    font-size: 1.2rem;
}

.admin-item-date {
    font-size: 0.85rem;
    color: var(--gray-light);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.admin-item-date::before {
    content: '📅';
    font-size: 0.9rem;
}

/* Admin Item Actions */
.admin-item-actions {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.btn-edit, .btn-delete {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.95rem;
    min-width: 100px;
    justify-content: center;
}

.btn-edit {
    background: linear-gradient(135deg, var(--warning) 0%, #ffbe76 100%);
    color: white;
}

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

.btn-delete {
    background: linear-gradient(135deg, var(--danger) 0%, #ff7979 100%);
    color: white;
}

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

.btn-edit i, .btn-delete i {
    font-size: 1.1rem;
}

/* ================= ADMIN FOOTER ================= */
.admin-footer {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    color: white;
    padding: var(--space-xl) 5%;
    margin-top: var(--space-xxxl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.admin-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.footer-note {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-note::after {
    content: ' ✨';
    color: var(--accent);
    animation: sparkle 2s infinite;
}

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

/* ================= MOBILE RESPONSIVE STYLES ================= */

/* Tablet (768px to 1024px) */
@media (max-width: 1024px) {
    .admin-header {
        padding: var(--space-lg) 4%;
    }
    
    .admin-container {
        max-width: 95%;
        padding: 0 4%;
    }
    
    .admin-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .admin-item-info {
        min-width: 250px;
    }
}

/* Mobile (up to 768px) */
@media (max-width: 768px) {
    /* Show Mobile Menu Button */
    .admin-mobile-menu {
        display: flex;
    }
    
    /* Mobile Header as Sidebar */
    .admin-header {
        position: fixed;
        left: -280px;
        top: 0;
        bottom: 0;
        width: 280px;
        z-index: 1000;
        transition: left var(--transition);
        overflow-y: auto;
        padding: var(--space-xl) var(--space-lg);
        box-shadow: var(--shadow-lg);
        border-radius: 0 var(--border-radius-lg) var(--border-radius-lg) 0;
    }
    
    .admin-header.mobile-open {
        left: 0;
    }
    
    .admin-header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xl);
        height: 100%;
    }
    
    .admin-back {
        width: 100%;
        justify-content: center;
    }
    
    .admin-header h1 {
        font-size: 1.5rem;
        text-align: center;
        flex-direction: column;
        gap: var(--space-sm);
        width: 100%;
    }
    
    .admin-header h1 i {
        font-size: 2rem;
    }
    
    .admin-user {
        width: 100%;
        justify-content: center;
        min-width: auto;
        margin-top: auto;
    }
    
    .admin-container.mobile-open {
        margin-left: 280px;
        transition: margin-left var(--transition);
    }
    
    /* Mobile Container */
    .admin-container {
        margin-top: var(--space-lg);
        padding: var(--space-md);
        transition: margin-left var(--transition);
    }
    
    /* Mobile Login */
    .login-card {
        padding: var(--space-xl) var(--space-lg);
        margin: var(--space-lg) 0;
    }
    
    .login-card h2 {
        font-size: 1.5rem;
    }
    
    /* Mobile Dashboard */
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-lg);
        margin-bottom: var(--space-xl);
    }
    
    .dashboard-header h2 {
        font-size: 1.5rem;
    }
    
    .btn-logout {
        width: 100%;
        justify-content: center;
    }
    
    /* Mobile Stats */
    .admin-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        margin-bottom: var(--space-xl);
    }
    
    .stat-card {
        padding: var(--space-lg);
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }
    
    .stat-icon {
        width: 60px;
        height: 60px;
    }
    
    .stat-info h3 {
        font-size: 2rem;
    }
    
    /* Mobile Forms */
    .add-item-section, .manage-items-section {
        padding: var(--space-lg);
        margin-bottom: var(--space-xl);
    }
    
    .add-item-section h3, .manage-items-section h3 {
        font-size: 1.3rem;
    }
    
    .form-buttons {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    /* Mobile Inputs for better touch */
    input, select, textarea {
        font-size: 16px !important; /* Prevents iOS zoom */
        min-height: 44px !important; /* Minimum touch target */
    }
    
    button {
        min-height: 44px !important;
    }
    
    /* Mobile Items */
    .search-admin {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .search-admin input {
        border-radius: var(--border-radius);
    }
    
    .search-admin button {
        width: 100%;
        padding: var(--space-md);
        border-radius: var(--border-radius);
    }
    
    .admin-item-card {
        flex-direction: column;
        gap: var(--space-md);
        padding: var(--space-md);
    }
    
    .admin-item-info {
        min-width: auto;
        width: 100%;
    }
    
    .admin-item-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .btn-edit, .btn-delete {
        flex: 1;
        padding: 12px;
    }
}

/* Small Mobile (up to 480px) */
@media (max-width: 480px) {
    .admin-mobile-menu {
        top: 15px;
        left: 15px;
        width: 45px;
        height: 45px;
    }
    
    .admin-header {
        width: 250px;
        left: -250px;
    }
    
    .admin-container.mobile-open {
        margin-left: 250px;
    }
    
    /* Hide text on very small screens */
    .header-text, .back-text, .logout-text, .btn-text {
        display: none;
    }
    
    .admin-back, .btn-logout, .btn-add, .btn-clear {
        justify-content: center;
        padding: 12px;
    }
    
    .admin-back i, 
    .btn-logout i,
    .btn-add i,
    .btn-clear i {
        margin-right: 0;
        font-size: 1.3rem;
    }
    
    .admin-user {
        padding: var(--space-sm);
    }
    
    /* Adjust card sizes */
    .login-card {
        padding: var(--space-lg);
    }
    
    .add-item-section, .manage-items-section {
        padding: var(--space-md);
    }
    
    /* Adjust buttons */
    .btn-edit, .btn-delete {
        min-width: 80px;
        font-size: 0;
        padding: 12px;
    }
    
    .btn-edit i, .btn-delete i {
        font-size: 1.2rem;
        margin: 0;
    }
}

/* Landscape Mode */
@media (max-height: 500px) and (orientation: landscape) {
    .admin-login-section {
        min-height: 100vh;
        padding: var(--space-md) 0;
    }
    
    .login-card {
        max-width: 90%;
        margin: var(--space-md) auto;
    }
    
    .admin-header {
        overflow-y: auto;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    button:active,
    .admin-back:active,
    .category-card:active {
        opacity: 0.7;
        transform: scale(0.98) !important;
    }
    
    input, select, textarea {
        font-size: 16px !important;
    }
}

/* Print Styles */
@media print {
    .admin-mobile-menu,
    .btn-logout,
    .form-buttons,
    .admin-item-actions,
    .admin-footer {
        display: none !important;
    }
    
    .admin-header {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
    }
    
    .admin-header h1 {
        background: none !important;
        color: black !important;
        -webkit-text-fill-color: black !important;
    }
    
    .admin-item-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}