/* ============================== */
/* PharmaCare POS - Global Styles */
/* ============================== */

:root {
    /* Primary Palette - Professional Pharmacy Blue */
    --primary-50: #eef5ff;
    --primary-100: #d9e8ff;
    --primary-200: #bcd7ff;
    --primary-300: #8ec0ff;
    --primary-400: #599eff;
    --primary-500: #3378ff;
    --primary-600: #1b57f5;
    --primary-700: #1443e1;
    --primary-800: #1736b6;
    --primary-900: #19328f;
    --primary-950: #142057;

    /* Accent - Emerald Green (Health) */
    --accent-50: #ecfdf5;
    --accent-100: #d1fae5;
    --accent-200: #a7f3d0;
    --accent-300: #6ee7b7;
    --accent-400: #34d399;
    --accent-500: #10b981;
    --accent-600: #059669;
    --accent-700: #047857;
    --accent-800: #065f46;

    /* Warning / Expiry */
    --warning-50: #fffbeb;
    --warning-100: #fef3c7;
    --warning-400: #fbbf24;
    --warning-500: #f59e0b;
    --warning-600: #d97706;

    /* Danger */
    --danger-50: #fef2f2;
    --danger-100: #fee2e2;
    --danger-400: #f87171;
    --danger-500: #ef4444;
    --danger-600: #dc2626;

    /* Neutrals */
    --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;

    /* Surface */
    --bg-primary: #f0f4fa;
    --bg-card: #ffffff;
    --bg-sidebar: #0f172a;
    --bg-header: #ffffff;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    /* Transition */
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;

    /* Layout */
    --header-height: 64px;
    --sidebar-width: 220px;
    --sidebar-collapsed-width: 68px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--gray-800);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ============================== */
/* HEADER                        */
/* ============================== */
.pharmacy-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: #029688;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 20px;
    background: #029688;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.92);
    cursor: pointer;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #1eaa69, #029688);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    box-shadow: 0 10px 22px rgba(2, 150, 136, 0.25);
}

.brand-text h1 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.brand-text span {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.78);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.header-center {
    display: flex;
    align-items: center;
}

.header-datetime {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.92);
    font-size: 0.85rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.12);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.header-datetime i {
    color: rgba(255, 255, 255, 0.92);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-stat {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.92);
    font-weight: 500;
    font-size: 0.85rem;
}

.header-stat i {
    color: rgba(255, 255, 255, 0.92);
    font-size: 1.1rem;
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--primary-50);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-600);
    font-size: 1.4rem;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 2px solid var(--primary-100);
}

.user-avatar:hover {
    background: var(--primary-100);
    transform: scale(1.05);
}

/* ============================== */
/* SIDEBAR                       */
/* ============================== */
.app-container {
    display: flex;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

.sidebar {
    width: var(--sidebar-width);
    background: #029688;
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    z-index: 900;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .nav-item span,
.sidebar.collapsed .sidebar-footer {
    display: none;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 12px 0;
}

.sidebar.collapsed .nav-item i {
    margin: 0;
    font-size: 1.3rem;
}

.sidebar-nav {
    padding: 16px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    background: #029688;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    color: rgba(255, 255, 255, 0.86);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
}

.nav-item.active {
    background: rgba(255, 255, 255, 0.18);
    color: white;
    box-shadow: 0 10px 24px rgba(2, 150, 136, 0.30);
}

.nav-item i {
    font-size: 1.15rem;
    min-width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.sidebar-version {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.75rem;
    text-align: center;
}

/* ============================== */
/* MAIN CONTENT                  */
/* ============================== */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 12px;
    transition: var(--transition);
    min-height: calc(100vh - var(--header-height));
}

.main-content.expanded {
    margin-left: var(--sidebar-collapsed-width);
}

/* ============================== */
/* CARDS & SECTIONS              */
/* ============================== */
.section-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 10px;
    border: 1px solid var(--gray-100);
    overflow: hidden;
    transition: var(--transition);
}

#medicineSection.section-card {
    overflow: visible;
}

#medicineSection .section-body {
    overflow: visible;
}

.section-card:hover {
    box-shadow: var(--shadow-lg), 0 10px 26px rgba(51, 120, 255, 0.10);
}

.section-card:focus-within {
    box-shadow: var(--shadow-lg), 0 0 0 4px rgba(51, 120, 255, 0.10), 0 12px 28px rgba(51, 120, 255, 0.12);
    border-color: rgba(51, 120, 255, 0.22);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 16px;
    border-bottom: 1px solid var(--gray-100);
    /* background: var(--gray-50); */
    background: linear-gradient(135deg, rgb(239, 247, 255), rgb(236, 253, 245));
}

.section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
}

.section-title i {
    font-size: 1.2rem;
    color: var(--primary-500);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.section-badge.info {
    background: var(--primary-50);
    color: var(--primary-600);
}

.section-badge.success {
    background: var(--accent-50);
    color: var(--accent-700);
}

.section-body {
    padding: 12px;
}

/* ============================== */
/* FORM CONTROLS                 */
/* ============================== */
.form-floating-custom {
    position: relative;
}

.pharmacy-input {
    width: 100%;
    padding: 8px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--gray-800);
    background: var(--bg-card);
    transition: var(--transition-fast);
    outline: none;
}

.pharmacy-input:focus {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(51, 120, 255, 0.12);
}

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

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

.input-group-pharmacy .input-icon {
    position: absolute;
    left: 12px;
    color: var(--gray-400);
    font-size: 1.1rem;
    z-index: 1;
    pointer-events: none;
}

.input-group-pharmacy .pharmacy-input {
    padding-left: 40px;
}

.input-group-pharmacy .input-clear {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    font-size: 1rem;
    display: none;
    z-index: 1;
}

.input-group-pharmacy .input-clear.show {
    display: block;
}

/* Labels */
.form-label-custom {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 4px;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ============================== */
/* AUTOCOMPLETE DROPDOWN         */
/* ============================== */
.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--gray-200);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 280px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.autocomplete-dropdown.show {
    display: block;
    animation: dropdownFade 0.2s ease;
}

@keyframes dropdownFade {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.autocomplete-item {
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition-fast);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.highlighted {
    background: var(--primary-50);
}

.autocomplete-item .item-name {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.9rem;
}

.autocomplete-item .item-detail {
    font-size: 0.78rem;
    color: var(--gray-500);
    margin-top: 2px;
}

.autocomplete-item .item-badge {
    display: inline-block;
    padding: 2px 7px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
}

.autocomplete-item .badge-stock {
    background: var(--accent-50);
    color: var(--accent-700);
}

.autocomplete-item .badge-expiry-warning {
    background: var(--warning-50);
    color: var(--warning-600);
}

.autocomplete-item .badge-expired {
    background: var(--danger-50);
    color: var(--danger-600);
}

.autocomplete-no-results {
    padding: 16px;
    text-align: center;
    color: var(--gray-400);
    font-size: 0.85rem;
}

/* ============================== */
/* CUSTOMER CARD                 */
/* ============================== */
.customer-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: linear-gradient(135deg, var(--primary-50), var(--accent-50));
    border-radius: var(--radius-md);
    border: 1px solid var(--primary-100);
    animation: slideInUp 0.3s ease;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.customer-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    font-weight: 700;
    flex-shrink: 0;
}

.customer-info {
    flex: 1;
}

.customer-name {
    font-weight: 700;
    font-size: 0.84rem;
    line-height: 1.2;
    color: var(--gray-800);
}

.customer-phone {
    font-size: 0.82rem;
    color: var(--gray-500);
}

.customer-loyalty {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--bg-card);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

.customer-loyalty i {
    color: var(--warning-500);
}

.customer-loyalty .points {
    font-weight: 700;
    color: var(--gray-800);
    font-size: 1.05rem;
}

.customer-loyalty .label {
    font-size: 0.72rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.customer-remove {
    background: none;
    border: none;
    color: var(--gray-400);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
    transition: var(--transition-fast);
}

.customer-remove:hover {
    color: var(--danger-500);
}

/* ============================== */
/* INLINE FORM                   */
/* ============================== */
.inline-form {
    display: none;
    padding: 16px;
    background: var(--gray-50);
    border: 1px dashed var(--gray-300);
    border-radius: var(--radius-md);
    margin-top: 12px;
    animation: slideInUp 0.3s ease;
}

.inline-form.show {
    display: block;
}

.inline-form-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.inline-form-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 8px;
}

.inline-form-title i {
    color: var(--accent-500);
}

/* ============================== */
/* TABS                          */
/* ============================== */
.pharmacy-tabs {
    display: flex;
    gap: 4px;
    background: var(--gray-100);
    padding: 4px;
    border-radius: var(--radius-md);
    margin-bottom: 10px;
}

.pharmacy-tab {
    flex: 1;
    padding: 7px 16px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    font-family: inherit;
    color: var(--gray-500);
    background: transparent;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pharmacy-tab:hover {
    color: var(--gray-700);
    background: rgba(255, 255, 255, 0.5);
}

.pharmacy-tab.active {
    background: var(--bg-card);
    color: var(--primary-600);
    box-shadow: var(--shadow-sm);
}

.pharmacy-tab i {
    font-size: 1rem;
}

.tab-content-pharmacy {
    display: none;
}

.tab-content-pharmacy.active {
    display: block;
    animation: fadeIn 0.2s ease;
}

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

/* ============================== */
/* SALE ITEMS TABLE              */
/* ============================== */
.sale-items-container {
    overflow-x: auto;
}

.sale-items-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.85rem;
}

.sale-items-table thead th {
    background: var(--gray-50);
    padding: 4px 6px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.72rem;
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
    position: sticky;
    top: 0;
}

.sale-items-table tbody td {
    padding: 4px 6px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.sale-items-table tbody tr {
    transition: var(--transition-fast);
}

.sale-items-table tbody tr:hover {
    background: var(--primary-50);
}

/* ============================== */
/* SALE ITEMS SUMMARY            */
/* ============================== */
.sale-items-summary {
    padding: 10px 12px;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sale-items-summary-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 0;
}

.sale-items-summary-row-compact {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 14px;
}

.sale-items-summary-kv {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.sale-items-summary-row-strong {
    border-top: 1px dashed var(--gray-200);
    margin-top: 6px;
    padding-top: 12px;
}

.sale-items-summary-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gray-600);
}

.sale-items-summary-value {
    font-weight: 800;
    color: var(--gray-800);
    font-variant-numeric: tabular-nums;
}

.sale-items-summary-input {
    width: 100%;
    padding: 8px 10px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    background: var(--bg-card);
    font-weight: 700;
    text-align: right;
}

.sale-items-summary-header-row,
.sale-items-summary-values-row {
    display: grid;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    grid-template-columns: 90px 160px 140px 120px 160px;
    column-gap: 12px;
    row-gap: 8px;
    padding: 6px 0;
}

.sale-items-summary-header-row {
    padding-top: 0;
    align-items: end;
}

.sale-items-summary-values-row {
    padding-bottom: 0;
    align-items: center;
}

.sale-items-summary-header-row .sale-items-summary-label {
    margin: 0;
    padding: 0 2px;
    text-align: center;
    white-space: nowrap;
}

.sale-items-summary-values-row .sale-items-summary-input {
    height: 40px;
    line-height: 40px;
    padding: 0 12px;
    text-align: center;
}

.sale-items-summary-input-readonly {
    background: var(--gray-100);
    color: var(--gray-800);
}

.sale-items-table .item-qty-input,
.sale-items-table .item-discount-input {
    width: 60px;
    padding: 4px 6px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    text-align: center;
    font-family: inherit;
    transition: var(--transition-fast);
}

.sale-items-table .item-unit-select {
    width: 80px;
    padding: 5px 8px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    text-align: center;
    text-align-last: center;
    background: var(--bg-card);
    font-family: inherit;
    transition: var(--transition-fast);
}

.sale-items-table .item-unit-select option {
    text-align: center;
}

.sale-items-table .item-qty-input:focus,
.sale-items-table .item-discount-input:focus {
    border-color: var(--primary-400);
    outline: none;
    box-shadow: 0 0 0 2px rgba(51, 120, 255, 0.1);
}

.sale-items-table .item-unit-select:focus {
    border-color: var(--primary-400);
    outline: none;
    box-shadow: 0 0 0 2px rgba(51, 120, 255, 0.1);
}

.sale-items-table .btn-remove {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    font-size: 1.15rem;
    padding: 4px 6px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.sale-items-table .btn-remove:hover {
    color: var(--danger-500);
    background: var(--danger-50);
}

.empty-cart {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray-400);
}

.empty-cart i {
    font-size: 3rem;
    margin-bottom: 12px;
    display: block;
    opacity: 0.4;
}

.empty-cart p {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.empty-cart span {
    font-size: 0.8rem;
}

/* ============================== */
/* BILL SUMMARY                  */
/* ============================== */
.bill-summary {
    background: linear-gradient(135deg, rgb(239, 247, 255), rgb(236, 253, 245));
    color: var(--gray-800);
    border-radius: var(--radius-lg);
    padding: 10px;
    position: sticky;
    top: calc(var(--header-height) + 16px);
    z-index: 2;
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.10), 0 0 0 1px rgba(51, 120, 255, 0.10), 0 14px 30px rgba(51, 120, 255, 0.10), 0 12px 26px rgba(16, 185, 129, 0.10);
}

.bill-summary-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.01em;
    color: var(--gray-900);
}

.bill-summary-title i {
    color: var(--accent-400);
}

.bill-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
    font-size: 0.88rem;
}

.bill-row .label {
    color: var(--gray-600);
}

.bill-row .value {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--gray-900);
}

.bill-row.discount .value {
    color: var(--danger-600);
}

.bill-divider {
    border: none;
    border-top: 1px solid rgba(30, 41, 59, 0.12);
    margin: 3px 0;
}

.bill-row.grand-total {
    font-size: 1rem;
    font-weight: 800;
    padding: 4px 0 4px;
}

.bill-row.grand-total .value {
    color: var(--accent-700);
}

.bill-summary .additional-discount-input {
    border: 1.5px solid rgba(51, 120, 255, 0.18);
    background: rgba(255, 255, 255, 0.85);
    color: var(--gray-900);
}

.bill-summary-actions #resetSaleBtn {
    background: rgba(51, 120, 255, 0.10);
    border: 1px solid rgba(51, 120, 255, 0.18);
    color: var(--primary-700) !important;
}

.bill-summary-actions #resetSaleBtn:hover {
    background: rgba(51, 120, 255, 0.14);
    border-color: rgba(51, 120, 255, 0.26);
    color: var(--primary-800) !important;
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.10), 0 0 0 4px rgba(51, 120, 255, 0.10);
}

.bill-summary-actions .btn-success-pharmacy,
.bill-summary-actions #resetSaleBtn {
    min-height: 44px;
}

.additional-discount-input {
    width: 90px;
    padding: 4px 8px;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    color: white;
    font-size: 0.85rem;
    text-align: center;
    font-family: inherit;
    transition: var(--transition-fast);
}

.additional-discount-input:focus {
    border-color: var(--accent-400);
    outline: none;
    background: rgba(255, 255, 255, 0.12);
}

/* ============================== */
/* PAYMENT SECTION               */
/* ============================== */
#paymentSection.section-card {
    margin-top: 12px;
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 8px;
    margin-bottom: 8px;
}

.payment-method-card {
    padding: 3px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
    background: var(--bg-card);
}

.payment-method-card:hover {
    border-color: var(--primary-300);
    background: var(--primary-50);
}

.payment-method-card.selected {
    border-color: var(--primary-500);
    background: var(--primary-50);
    box-shadow: 0 0 0 3px rgba(51, 120, 255, 0.12), 0 10px 22px rgba(51, 120, 255, 0.18);
}

.payment-method-card i {
    font-size: 1.35rem;
    margin-bottom: 2px;
    display: block;
}

.payment-method-card .method-name {
    font-weight: 600;
    font-size: 0.78rem;
    color: var(--gray-700);
}

.payment-method-card.cash-card i { color: var(--accent-500); }
.payment-method-card.card-card i { color: var(--primary-500); }
.payment-method-card.upi-card i { color: #6739b7; }
.payment-method-card.split-card i { color: var(--danger-400); }

.payment-detail-form {
    display: none;
    padding: 8px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    margin-top: 6px;
    animation: slideInUp 0.2s ease;
}

.payment-detail-form.show {
    display: block;
}

.tax-breakup-table {
    display: grid;
    grid-auto-rows: minmax(28px, auto);
    gap: 6px;
}

.tax-breakup-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
    gap: 6px;
}

.tax-breakup-cell {
    padding: 4px 6px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    background: var(--gray-50);
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
}

.tax-breakup-header .tax-breakup-cell {
    background: var(--primary-50);
    border-color: rgba(51, 120, 255, 0.18);
    color: var(--primary-700);
    font-weight: 800;
}

.tax-breakup-label {
    text-align: left;
    background: white;
    font-weight: 800;
    color: var(--gray-800);
}

/* ============================== */
/* BUTTONS                       */
/* ============================== */
.btn-primary-pharmacy {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.88rem;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(51, 120, 255, 0.25);
}

.btn-primary-pharmacy:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(51, 120, 255, 0.35);
}

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

#tabContentAdvanced .btn-primary-pharmacy {
    background: #1eaa69;
    border: none;
    box-shadow: 0 10px 22px rgba(30, 170, 105, 0.18);
}

#tabContentAdvanced .btn-primary-pharmacy:hover {
    background: #17945b;
    box-shadow: 0 12px 26px rgba(30, 170, 105, 0.28);
}

.btn-success-pharmacy {
    background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    box-shadow: 0 10px 22px rgba(16, 185, 129, 0.18);
}

.btn-success-pharmacy:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(16, 185, 129, 0.32), 0 0 0 4px rgba(16, 185, 129, 0.12);
}

.btn-success-pharmacy:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-outline-pharmacy {
    background: transparent;
    color: var(--primary-600);
    border: 1.5px solid var(--primary-200);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.82rem;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-outline-pharmacy:hover {
    background: var(--primary-50);
    border-color: var(--primary-400);
}

.btn-ghost {
    background: transparent;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: 6px 12px;
    font-size: 0.82rem;
    font-family: inherit;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.sales-history-action {
    border-radius: 10px;
}

.sales-history-action:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18);
}

.sales-history-action-edit {
    color: #2563eb;
    border-color: rgba(37, 99, 235, 0.25);
    background: rgba(37, 99, 235, 0.04);
}

.sales-history-action-edit:hover {
    background: rgba(37, 99, 235, 0.10);
    border-color: rgba(37, 99, 235, 0.40);
}

.sales-history-action-print {
    color: #0f766e;
    border-color: rgba(15, 118, 110, 0.25);
    background: rgba(15, 118, 110, 0.04);
}

.sales-history-action-print:hover {
    background: rgba(15, 118, 110, 0.10);
    border-color: rgba(15, 118, 110, 0.40);
}

.sales-history-action-delete {
    color: #dc2626;
}

.sales-history-action-delete:hover {
    background: rgba(220, 38, 38, 0.08);
    color: #b91c1c;
}

#customerSection #toggleNewCustomerForm {
    background: #1eaa69;
    color: #fff;
    border: 1px solid #1eaa69;
    border-radius: var(--radius-md);
    box-shadow: 0 6px 14px rgba(30, 170, 105, 0.22);
    transition: var(--transition-fast);
}

#customerSection #toggleNewCustomerForm:hover {
    background: #17945b;
    border-color: #17945b;
    box-shadow: 0 10px 18px rgba(30, 170, 105, 0.28);
    transform: translateY(-1px);
}

#customerSection #toggleNewCustomerForm:active {
    transform: translateY(0);
    box-shadow: 0 6px 14px rgba(30, 170, 105, 0.22);
}

#customerSection #toggleNewCustomerForm:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(30, 170, 105, 0.25), 0 10px 18px rgba(30, 170, 105, 0.22);
}

#customerSection #newCustomerForm .btn-primary-pharmacy {
    background: #1eaa69;
    border: none;
    box-shadow: 0 10px 22px rgba(30, 170, 105, 0.18);
}

#customerSection #newCustomerForm .btn-primary-pharmacy:hover {
    background: #17945b;
    box-shadow: 0 12px 26px rgba(30, 170, 105, 0.28);
}

.sales-history-filter .btn-primary-pharmacy {
    background: #1eaa69;
    border: none;
    box-shadow: 0 10px 22px rgba(30, 170, 105, 0.18);
}

.sales-history-filter .btn-primary-pharmacy:hover {
    background: #17945b;
    box-shadow: 0 12px 26px rgba(30, 170, 105, 0.28);
}

/* ============================== */
/* BATCH INFO CARD               */
/* ============================== */
.batch-info-card {
    display: none;
    padding: 14px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    margin-top: 12px;
    animation: slideInUp 0.2s ease;
}

.batch-info-card.show {
    display: block;
}

.batch-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
}

.batch-info-item {
    padding: 8px;
}

.batch-info-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 4px;
}

.batch-info-value {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--gray-800);
}

.batch-info-value.warning {
    color: var(--warning-600);
}

.batch-info-value.danger {
    color: var(--danger-600);
}

.batch-actions {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--gray-200);
}

.batch-info-card .btn-primary-pharmacy {
    background: #1eaa69;
    border: none;
    box-shadow: 0 10px 22px rgba(30, 170, 105, 0.18);
}

.batch-info-card .btn-primary-pharmacy:hover {
    background: #17945b;
    box-shadow: 0 12px 26px rgba(30, 170, 105, 0.28);
}

.unit-toggle {
    display: flex;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.unit-toggle button {
    padding: 6px 14px;
    border: none;
    background: var(--bg-card);
    font-family: inherit;
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--gray-500);
    transition: var(--transition-fast);
}

.unit-toggle button.active {
    background: var(--primary-500);
    color: white;
}

.batch-info-card .unit-toggle button.active {
    background: #1eaa69;
}

.unit-toggle button:first-child {
    border-right: 1px solid var(--gray-200);
}

/* ============================== */
/* BATCH SEARCH PANEL            */
/* ============================== */
.batch-search-panel {
    margin-top: 16px;
}

.search-filters {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.batch-results-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.82rem;
}

.batch-results-table thead th {
    background: var(--gray-50);
    padding: 8px 10px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.7rem;
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

.batch-results-table tbody td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--gray-100);
}

.batch-results-table tbody tr:hover {
    background: var(--primary-50);
}

.btn-add-cart {
    background: var(--accent-500);
    color: white;
    border: none;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-add-cart:hover {
    background: var(--accent-600);
}

/* ============================== */
/* NOTIFICATION TOAST            */
/* ============================== */
.toast-container {
    position: fixed;
    top: calc(var(--header-height) + 16px);
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: toastSlideIn 0.3s ease;
    min-width: 280px;
    font-size: 0.88rem;
    font-weight: 500;
}

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

.toast-item.success {
    background: var(--accent-500);
    color: white;
}

.toast-item.error {
    background: var(--danger-500);
    color: white;
}

.toast-item.warning {
    background: var(--warning-500);
    color: white;
}

.toast-item.info {
    background: var(--primary-500);
    color: white;
}

.toast-item i {
    font-size: 1.2rem;
}

/* ============================== */
/* LOADING SPINNER               */
/* ============================== */
.spinner-pharmacy {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2.5px solid var(--gray-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

/* ============================== */
/* SUCCESS MODAL                 */
/* ============================== */
.success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.success-overlay.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.success-content {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: var(--shadow-xl);
    animation: slideInUp 0.4s ease;
}

.success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-400), var(--accent-600));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2.5rem;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.success-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.success-detail {
    color: var(--gray-500);
    font-size: 0.95rem;
    margin-bottom: 28px;
}

.success-invoice {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-600);
    display: block;
    margin-top: 6px;
}

/* ============================== */
/* RESPONSIVE                    */
/* ============================== */
@media (min-width: 992px) {
    #salesRightColumn {
        position: sticky;
        top: calc(var(--header-height) + 16px);
        z-index: 2;
    }

    #salesRightColumn .bill-summary {
        position: static;
        top: auto;
    }

    .payment-methods {
        grid-template-columns: repeat(4, 1fr);
    }

    #salesPageLayout {
        align-items: flex-start;
    }

    #salesLeftColumn {
        max-height: calc(100vh - var(--header-height) - 32px);
        overflow-y: auto;
        padding-right: 10px;
    }
}

@media (max-width: 991px) {
    #salesRightColumn {
        position: static;
        top: auto;
    }

    #salesRightColumn .bill-summary {
        position: static;
        top: auto;
    }
}

@media (max-width: 1024px) {
    .sidebar {
        width: var(--sidebar-collapsed-width);
    }

    .sidebar .nav-item span,
    .sidebar .sidebar-footer {
        display: none;
    }

    .sidebar .nav-item {
        justify-content: center;
        padding: 12px 0;
    }

    .main-content {
        margin-left: var(--sidebar-collapsed-width);
    }

    .header-center {
        display: none;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .sidebar .nav-item span,
    .sidebar .sidebar-footer {
        display: block;
    }

    .sidebar .nav-item {
        justify-content: flex-start;
        padding: 11px 16px;
    }

    .main-content {
        margin-left: 0;
        padding: 16px;
    }

    .main-content.expanded {
        margin-left: 0;
    }

    .brand-text h1 {
        font-size: 1rem;
    }

    .brand-text span {
        display: none;
    }

    .header-right .header-stat {
        display: none;
    }

    .bill-summary {
        position: static;
    }

    .payment-methods {
        grid-template-columns: repeat(2, 1fr);
    }

    .batch-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .search-filters {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .pharmacy-tabs {
        flex-direction: column;
    }

    .payment-methods {
        grid-template-columns: 1fr 1fr;
    }

    .customer-card {
        flex-direction: column;
        text-align: center;
    }

    .customer-loyalty {
        margin-top: 8px;
    }
}

/* ============================== */
/* UTILITIES                     */
/* ============================== */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted-custom { color: var(--gray-400); }
.fw-semibold { font-weight: 600; }
.mt-3 { margin-top: 16px; }
.mb-3 { margin-bottom: 16px; }
.gap-2 { gap: 8px; }
.d-flex { display: flex; }
.align-center { align-items: center; }

/* Highlight animation for added row */
@keyframes rowHighlight {
    0% { background-color: rgba(16, 185, 129, 0.15); }
    100% { background-color: transparent; }
}

.row-highlight {
    animation: rowHighlight 1.5s ease;
}

/* Pulse for near-expiry */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.pulse-warning {
    animation: pulse 2s infinite;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}