/* === Babalo Chem Shop - Pharmacy Management System === */
/* Professional Design System v2.0 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
    --primary: #0a2f6c;
    --primary-light: #1a4a8a;
    --primary-dark: #061e45;
    --primary-gradient: linear-gradient(135deg, #0a2f6c 0%, #1a5fc7 100%);
    --accent: #4a9eff;
    --accent-light: #e8f0fe;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;
    --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;
    --white: #ffffff;
    --sidebar-width: 260px;
    --sidebar-collapsed: 0px;
    --topbar-height: 64px;
    --border-radius: 10px;
    --border-radius-sm: 6px;
    --border-radius-lg: 14px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 12px 40px rgba(0,0,0,0.15);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

html { font-size: 14px; scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === Login Page === */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}
.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(74,158,255,0.15) 0%, transparent 70%);
    animation: loginFloat 8s ease-in-out infinite;
}
.login-page::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(16,185,129,0.1) 0%, transparent 70%);
    animation: loginFloat 10s ease-in-out infinite reverse;
}
@keyframes loginFloat {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}
.login-container { width: 100%; max-width: 420px; padding: 20px; position: relative; z-index: 1; }
.login-box {
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 44px 36px;
    animation: fadeInUp 0.6s ease;
}
.login-header { text-align: center; margin-bottom: 32px; }
.login-logo { margin-bottom: 16px; }
.logo-icon { font-size: 52px; }
.login-header h2 { color: var(--primary); margin-bottom: 4px; font-size: 26px; font-weight: 700; letter-spacing: -0.5px; }
.login-header p { color: var(--gray-500); font-size: 14px; }
.login-form .form-group { margin-bottom: 22px; }
.login-form .form-group label { font-weight: 600; font-size: 13px; color: var(--gray-700); margin-bottom: 6px; display: block; }
.login-form .form-control {
    padding: 14px 16px;
    font-size: 15px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    background: var(--gray-50);
}
.login-form .form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(74,158,255,0.12);
    background: var(--white);
}
.login-form .btn { padding: 14px; font-size: 16px; font-weight: 600; border-radius: var(--border-radius-sm); }

/* === Animations === */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes slideDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes counterGlow { 0%, 100% { box-shadow: 0 0 8px rgba(74,158,255,0.3); } 50% { box-shadow: 0 0 20px rgba(74,158,255,0.6); } }

.animate-fadeIn { animation: fadeIn 0.4s ease; }
.animate-fadeInUp { animation: fadeInUp 0.5s ease; }
.animate-fadeInDown { animation: fadeInDown 0.3s ease; }
.animate-slideInLeft { animation: slideInLeft 0.4s ease; }
.animate-slideInRight { animation: slideInRight 0.4s ease; }
.animate-scaleIn { animation: scaleIn 0.3s ease; }

/* === Loading Spinner === */
.spinner { display: inline-block; width: 20px; height: 20px; border: 2px solid var(--gray-200); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.6s linear infinite; }
.spinner-sm { width: 14px; height: 14px; border-width: 2px; }
.spinner-lg { width: 36px; height: 36px; border-width: 3px; }

/* === App Layout === */
.app-layout { display: flex; min-height: 100vh; }

/* === Sidebar === */
.sidebar {
    width: var(--sidebar-width);
    background: var(--primary-gradient);
    color: var(--white);
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.2) transparent;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 2px; }

.sidebar-header {
    padding: 22px 20px 18px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}
.sidebar-header h3 {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.3px;
    margin-bottom: 2px;
    background: linear-gradient(135deg, #fff, #a7c7e7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.sidebar-header .sidebar-subtitle {
    font-size: 11px;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 500;
}

.sidebar-nav {
    flex: 1;
    padding: 8px 0;
}
.sidebar-section {
    padding: 16px 20px 4px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.35);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.sidebar-section::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255,255,255,0.08);
}
.sidebar-nav .nav-item {
    display: flex;
    align-items: center;
    padding: 11px 20px;
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    transition: var(--transition);
    font-size: 13.5px;
    gap: 12px;
    position: relative;
    margin: 1px 8px;
    border-radius: var(--border-radius-sm);
    font-weight: 450;
}
.sidebar-nav .nav-item:hover {
    background: rgba(255,255,255,0.12);
    color: var(--white);
    transform: translateX(3px);
}
.sidebar-nav .nav-item.active {
    background: rgba(255,255,255,0.18);
    color: var(--white);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.sidebar-nav .nav-item.active::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--accent);
    border-radius: 0 3px 3px 0;
    animation: fadeIn 0.3s ease;
}
.sidebar-nav .nav-item .nav-icon {
    font-size: 16px;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
    opacity: 0.95;
    transition: var(--transition);
}
.sidebar-nav .nav-item:hover .nav-icon,
.sidebar-nav .nav-item.active .nav-icon { opacity: 1; }
.sidebar-nav .nav-item .nav-badge {
    margin-left: auto;
    background: rgba(255,255,255,0.15);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
}

.sidebar-divider {
    height: 1px;
    background: rgba(255,255,255,0.08);
    margin: 6px 20px;
}

.sidebar-user {
    padding: 14px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    background: rgba(0,0,0,0.08);
}
.sidebar-user .avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
    color: var(--white);
    flex-shrink: 0;
}
.sidebar-user .user-info { flex: 1; min-width: 0; }
.sidebar-user .user-name { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user .user-role { font-size: 10px; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.8px; }

/* === Main Content === */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: var(--transition);
}

/* === Top Bar === */
.topbar {
    height: var(--topbar-height);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    padding: 0 28px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}
.topbar h2 {
    font-size: 17px;
    color: var(--gray-800);
    flex: 1;
    font-weight: 600;
    letter-spacing: -0.3px;
}
.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}
.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--gray-500);
    padding: 4px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}
.sidebar-toggle:hover { background: var(--gray-100); color: var(--gray-700); }
.user-badge {
    background: var(--accent-light);
    color: var(--primary);
    padding: 7px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}
.user-badge:hover { background: #d0e2ff; }

/* === Content Wrapper === */
.content-wrapper {
    padding: 28px;
    animation: fadeIn 0.3s ease;
}

/* === Cards === */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    background: var(--gray-50);
}
.card-header h2 { font-size: 16px; color: var(--gray-800); margin: 0; font-weight: 600; }
.card-body { padding: 24px; }

/* === Stats Cards Row === */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-bottom: 28px; }

.stats-card {
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    cursor: default;
    box-shadow: var(--shadow);
}
.stats-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    transform: translate(30px, -30px);
}
.stats-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.stats-card a { color: inherit; text-decoration: none; display: flex; align-items: center; gap: 16px; width: 100%; }
.stats-card .stats-icon {
    font-size: 38px;
    opacity: 0.9;
    width: 50px;
    text-align: center;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}
.stats-card .stats-body h3 { font-size: 26px; font-weight: 700; margin: 0; letter-spacing: -0.5px; }
.stats-card .stats-body p { margin: 4px 0 0; opacity: 0.85; font-size: 13px; font-weight: 450; }
.stats-card .stats-body .stats-sub { font-size: 11px; opacity: 0.6; margin-top: 2px; }

.bg-primary { background: linear-gradient(135deg, #0a2f6c, #1a5fc7); }
.bg-success { background: linear-gradient(135deg, #059669, #10b981); }
.bg-warning { background: linear-gradient(135deg, #d97706, #f59e0b); color: #1f2937 !important; }
.bg-danger { background: linear-gradient(135deg, #dc2626, #ef4444); }
.bg-info { background: linear-gradient(135deg, #2563eb, #3b82f6); }
.bg-purple { background: linear-gradient(135deg, #7c3aed, #8b5cf6); }
.bg-pink { background: linear-gradient(135deg, #db2777, #ec4899); }
.bg-teal { background: linear-gradient(135deg, #0d9488, #14b8a6); }

/* === Tables === */
.table-container { overflow-x: auto; border-radius: var(--border-radius-sm); border: 1px solid var(--gray-100); }
.table { width: 100%; border-collapse: collapse; }
.table th {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 2px solid var(--gray-100);
    font-size: 11.5px;
    text-transform: uppercase;
    color: var(--gray-500);
    letter-spacing: 0.8px;
    white-space: nowrap;
    font-weight: 600;
    background: var(--gray-50);
}
.table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
    font-size: 13.5px;
    transition: var(--transition);
}
.table tbody tr {
    transition: var(--transition);
}
.table tbody tr:hover { background: var(--accent-light); }
.table tbody tr:last-child td { border-bottom: none; }

/* === Forms === */
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 13px;
}
.form-control {
    width: 100%;
    padding: 11px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
    color: var(--gray-800);
}
.form-control:hover { border-color: var(--gray-300); }
.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(74,158,255,0.1);
}
.form-control-lg { padding: 14px 18px; font-size: 16px; }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 90px; }
.form-control-sm { padding: 8px 12px; font-size: 13px; }

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0);
    transition: var(--transition);
}
.btn:hover::after { background: rgba(255,255,255,0.08); }
.btn-primary { background: var(--primary-gradient); color: var(--white); }
.btn-secondary { background: var(--gray-100); color: var(--gray-700); border: 1px solid var(--gray-200); }
.btn-secondary:hover { background: var(--gray-200); }
.btn-success { background: linear-gradient(135deg, #059669, #10b981); color: var(--white); }
.btn-warning { background: linear-gradient(135deg, #d97706, #f59e0b); color: #1f2937; }
.btn-danger { background: linear-gradient(135deg, #dc2626, #ef4444); color: var(--white); }
.btn-info { background: linear-gradient(135deg, #2563eb, #3b82f6); color: var(--white); }
.btn-outline-primary { background: transparent; border: 1.5px solid var(--accent); color: var(--primary); }
.btn-outline-primary:hover { background: var(--accent-light); }
.btn-outline-success { background: transparent; border: 1.5px solid var(--success); color: var(--success); }
.btn-outline-success:hover { background: var(--success-light); }
.btn-outline-danger { background: transparent; border: 1.5px solid var(--danger); color: var(--danger); }
.btn-outline-danger:hover { background: var(--danger-light); }
.btn-sm { padding: 7px 14px; font-size: 12.5px; }
.btn-xs { padding: 4px 10px; font-size: 11px; border-radius: 4px; }
.btn-lg { padding: 14px 30px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }
.btn-icon { padding: 8px; min-width: 36px; justify-content: center; }

/* === Badges === */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    white-space: nowrap;
}
.badge-primary { background: var(--accent-light); color: var(--primary); }
.badge-success { background: var(--success-light); color: #065f46; }
.badge-warning { background: var(--warning-light); color: #92400e; }
.badge-danger { background: var(--danger-light); color: #991b1b; }
.badge-info { background: var(--info-light); color: #1e40af; }
.badge-admin { background: var(--danger); color: var(--white); font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; padding: 2px 8px; }
.badge-staff { background: var(--info); color: var(--white); font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; padding: 2px 8px; }
.badge-secondary { background: var(--gray-100); color: var(--gray-600); }
.badge-outline { background: transparent; border: 1.5px solid var(--gray-300); color: var(--gray-600); }

/* === Alerts === */
.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 24px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: fadeInDown 0.3s ease;
    border-left: 4px solid transparent;
}
.alert-success { background: var(--success-light); color: #065f46; border-color: var(--success); }
.alert-danger { background: var(--danger-light); color: #991b1b; border-color: var(--danger); }
.alert-info { background: var(--info-light); color: #1e40af; border-color: var(--info); }
.alert-warning { background: var(--warning-light); color: #92400e; border-color: var(--warning); }

/* === Modal === */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    justify-content: center;
    align-items: flex-start;
    padding: 20px;
    overflow-y: auto;
    backdrop-filter: blur(4px);
}
.modal.active { display: flex; }
.modal-content {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    width: 100%;
    max-width: 600px;
    margin-top: 40px;
    animation: slideDown 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-xl);
    position: relative;
}
.modal-content.modal-sm { max-width: 420px; }
.modal-content.modal-lg { max-width: 800px; }
.modal-content.modal-xl { max-width: 960px; }
.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-400);
    transition: var(--transition);
    line-height: 1;
    background: none;
    border: none;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}
.modal-close:hover { color: var(--gray-700); background: var(--gray-100); }
.modal-content h2 { margin-bottom: 24px; color: var(--primary); font-size: 20px; font-weight: 700; }

/* === POS Layout === */
.pos-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 24px;
    align-items: start;
}
.pos-left .card-body { padding: 20px; }
.pos-right .card-body { padding: 20px; }
.pos-right { position: sticky; top: calc(var(--topbar-height) + 28px); }

.search-results {
    max-height: 260px;
    overflow-y: auto;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    display: none;
    box-shadow: var(--shadow-md);
}
.search-results.active { display: block; animation: fadeIn 0.2s ease; }
.search-result-item {
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}
.search-result-item:hover { background: var(--accent-light); }
.search-result-item:last-child { border-bottom: none; }
.search-result-item .item-name { font-weight: 500; color: var(--gray-800); }
.search-result-item .item-price { font-weight: 600; color: var(--primary); }

.cart-summary {
    margin-top: 16px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--gray-200);
}
.cart-total, .cart-count {
    display: flex;
    justify-content: space-between;
    font-size: 15px;
    font-weight: 500;
}
.cart-total { font-size: 22px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }

.change-display {
    font-size: 30px;
    font-weight: 700;
    color: var(--success);
    text-align: center;
    padding: 12px;
    background: var(--success-light);
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--success);
}

.quick-categories { display: flex; flex-wrap: wrap; gap: 6px; }
.quick-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* === Grid === */
.row { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.row > [class*="col-"] { padding: 0 12px; }
.col-md-1 { flex: 0 0 8.33%; max-width: 8.33%; }
.col-md-2 { flex: 0 0 16.66%; max-width: 16.66%; }
.col-md-3 { flex: 0 0 25%; max-width: 25%; }
.col-md-4 { flex: 0 0 33.33%; max-width: 33.33%; }
.col-md-5 { flex: 0 0 41.66%; max-width: 41.66%; }
.col-md-6 { flex: 0 0 50%; max-width: 50%; }
.col-md-7 { flex: 0 0 58.33%; max-width: 58.33%; }
.col-md-8 { flex: 0 0 66.66%; max-width: 66.66%; }
.col-md-9 { flex: 0 0 75%; max-width: 75%; }
.col-md-10 { flex: 0 0 83.33%; max-width: 83.33%; }
.col-md-12 { flex: 0 0 100%; max-width: 100%; }

/* === Utility === */
.mt-2 { margin-top: 10px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mb-2 { margin-bottom: 10px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-muted { color: var(--gray-500); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.w-100 { width: 100%; }

/* === Dashboard Grid === */
.dashboard-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; }
.dashboard-grid .full-width { grid-column: 1 / -1; }
@media (max-width: 1024px) { .dashboard-grid { grid-template-columns: 1fr; } }

/* === Empty State === */
.empty-state { text-align: center; padding: 48px 24px; color: var(--gray-500); }
.empty-state .empty-icon { font-size: 56px; margin-bottom: 16px; opacity: 0.5; }
.empty-state h3 { font-size: 18px; color: var(--gray-600); margin-bottom: 6px; }
.empty-state p { font-size: 14px; color: var(--gray-400); }

/* === Chart Containers === */
.chart-container { position: relative; height: 300px; width: 100%; }

/* === Progress Bars === */
.progress { background: var(--gray-200); border-radius: 20px; overflow: hidden; height: 8px; }
.progress-bar { height: 100%; border-radius: 20px; transition: width 0.6s ease; background: var(--primary-gradient); }
.progress-bar-success { background: linear-gradient(135deg, #059669, #10b981); }
.progress-bar-warning { background: linear-gradient(135deg, #d97706, #f59e0b); }
.progress-bar-danger { background: linear-gradient(135deg, #dc2626, #ef4444); }

/* === Page Header === */
.page-header { margin-bottom: 28px; }
.page-header h1 { font-size: 24px; font-weight: 700; color: var(--gray-900); letter-spacing: -0.5px; margin-bottom: 4px; }
.page-header p { font-size: 14px; color: var(--gray-500); }

/* === Toolbar === */
.toolbar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.toolbar .form-control { width: auto; min-width: 200px; }

/* === Responsive === */
@media (max-width: 1200px) {
    .pos-layout { grid-template-columns: 1fr 340px; }
    .stats-row { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
}

@media (max-width: 1024px) {
    .pos-layout { grid-template-columns: 1fr; }
    .col-md-3 { flex: 0 0 50%; max-width: 50%; }
    .col-md-4 { flex: 0 0 50%; max-width: 50%; }
    .table th, .table td { padding: 10px 12px; }
    .stats-row { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
}

@media (max-width: 992px) {
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 99;
    }
    .sidebar-overlay.active { display: block; }
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 30px rgba(0,0,0,0.3);
    }
    .sidebar-toggle { display: flex !important; }
    .main-content { margin-left: 0; }
    .content-wrapper { padding: 16px; }
    .col-md-2, .col-md-3, .col-md-4, .col-md-6 { flex: 0 0 100%; max-width: 100%; }
    .stats-card { padding: 16px; }
    .stats-card .stats-body h3 { font-size: 20px; }
    .card-header { flex-direction: column; align-items: flex-start; }
    .card-body { padding: 16px; }
    .login-container { padding: 15px; }
    .login-box { padding: 28px 22px; }
    .modal-content { margin-top: 10px; padding: 24px; max-width: 100% !important; border-radius: var(--border-radius); }
    .modal { padding: 10px; align-items: flex-start; }
    .quick-actions .btn { width: 100%; }
    .btn-group { flex-direction: column; width: 100%; }
    .btn-group .btn { width: 100%; text-align: center; }
    .table { font-size: 12.5px; }
    .table th, .table td { padding: 8px 10px; white-space: normal; word-break: break-word; }
    .table th { white-space: nowrap; font-size: 10px; }
    .form-control { font-size: 16px; padding: 12px 14px; }
    select.form-control { font-size: 16px; }
    .btn { padding: 12px 18px; min-height: 44px; }
    .btn-sm { padding: 8px 14px; min-height: 36px; font-size: 13px; }
    .topbar { padding: 0 16px; height: 58px; }
    .topbar h2 { font-size: 15px; }
    .user-badge { font-size: 12px; padding: 5px 12px; }
    .pos-layout { grid-template-columns: 1fr; }
    .pos-right .card-body { padding: 14px; }
    .pos-right { position: static; }
    .change-display { font-size: 24px; padding: 10px; }
    .quick-categories { gap: 4px; }
    .quick-categories .btn { font-size: 12px; padding: 6px 10px; min-height: auto; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
    .page-header h1 { font-size: 20px; }
    .toolbar .form-control { width: 100%; min-width: auto; }
}

@media (max-width: 480px) {
    html { font-size: 13px; }
    .content-wrapper { padding: 12px; }
    .topbar { padding: 0 12px; height: 54px; }
    .topbar h2 { font-size: 14px; }
    .sidebar { width: 260px; }
    .stats-card .stats-body h3 { font-size: 18px; }
    .card-header h2 { font-size: 14px; }
    .modal-content { padding: 18px; margin-top: 5px; }
    .table { font-size: 11.5px; }
    .table th, .table td { padding: 6px 8px; }
    .form-group { margin-bottom: 14px; }
    .alert { font-size: 13px; padding: 12px 16px; }
    .page-header h1 { font-size: 18px; }
    .empty-state { padding: 32px 16px; }
    .empty-state .empty-icon { font-size: 40px; }
}

/* === PWA === */
@supports (padding-top: env(safe-area-inset-top)) {
    .sidebar { padding-top: env(safe-area-inset-top); }
    .topbar { padding-top: env(safe-area-inset-top); height: calc(var(--topbar-height) + env(safe-area-inset-top)); }
    .main-content { padding-bottom: env(safe-area-inset-bottom); }
    .modal-content { margin-top: calc(env(safe-area-inset-top) + 40px); }
}
@media (display-mode: standalone) {
    .sidebar { padding-top: env(safe-area-inset-top); }
    .topbar { padding-top: calc(env(safe-area-inset-top) + 4px); }
}
body { overscroll-behavior-y: contain; -webkit-overflow-scrolling: touch; }
input, select, textarea, button { border-radius: var(--border-radius-sm); font-family: inherit; }
a, button, .nav-item, .search-result-item { -webkit-tap-highlight-color: transparent; }
* { -webkit-touch-callout: none; }

/* === Prescription live search === */
.med-search-wrap { position:relative; flex:2; min-width:200px; }
.med-search-wrap input { width:100%; }
.med-search-results { position:absolute; top:100%; left:0; right:0; background:#fff; border:1.5px solid var(--gray-200); border-top:none; max-height:180px; overflow-y:auto; z-index:1000; display:none; border-radius:0 0 var(--border-radius-sm) var(--border-radius-sm); box-shadow:var(--shadow-lg); }
.med-search-results .item { padding:10px 14px; cursor:pointer; font-size:13px; border-bottom:1px solid var(--gray-100); transition:var(--transition); }
.med-search-results .item:hover { background:var(--accent-light); }
.med-search-results .item:last-child { border-bottom:none; }
.med-search-results .item .code { font-size:11px; color:var(--gray-400); margin-left:8px; }