/* G2 Tyres Inventory System - Modern Design */
/* System font stack - no external request needed */

/* ============== Copy Protection ============== */
* {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

input, textarea, select {
    -webkit-user-select: text;
    -moz-user-select: text;
    user-select: text;
}

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

:root {
    --bg: #f4f4f5;
    --surface: #ffffff;
    --surface-2: #fafafa;
    --border: #e4e4e7;
    --border-2: #d4d4d8;
    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-muted: #a1a1aa;
    --accent: #dc2626;
    --accent-hover: #b91c1c;
    --accent-light: #fee2e2;
    --success: #16a34a;
    --success-light: #dcfce7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --header-bg: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --transition: 0.2s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

/* ============== Scrollbar ============== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============== Login Page ============== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #1c0a0a 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(220,38,38,0.12) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    pointer-events: none;
}

.login-page::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(220,38,38,0.08) 0%, transparent 70%);
    bottom: -50px;
    left: -50px;
    pointer-events: none;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.login-box {
    background: rgba(255,255,255,0.97);
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 44px 40px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
}

.logo {
    text-align: center;
    margin-bottom: 8px;
}

.logo h1 {
    color: #ffffff;
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.login-logo {
    width: 180px;
    height: auto;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.4));
}

.header-logo {
    height: 36px;
    width: auto;
    vertical-align: middle;
    margin-right: 6px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.login-box h2 {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 36px;
    font-weight: 400;
    font-size: 14px;
    letter-spacing: 0.5px;
}

.login-box .form-group {
    margin-bottom: 18px;
}

.login-box .form-group label {
    display: block;
    margin-bottom: 7px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 13px;
}

.login-box .form-group input {
    width: 100%;
    padding: 13px 16px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-primary);
    transition: all var(--transition);
    font-family: inherit;
    -webkit-user-select: text;
    user-select: text;
}

.login-box .form-group input::placeholder {
    color: var(--text-muted);
}

.login-box .form-group input:focus {
    outline: none;
    border-color: var(--accent);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(220,38,38,0.15);
}

.login-box .form-group button,
.login-box .btn-primary {
    width: 100%;
    padding: 13px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 0.3px;
    font-family: inherit;
    margin-top: 4px;
}

.login-box .form-group button:hover,
.login-box .btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(220,38,38,0.35);
}

.error-message {
    color: #fca5a5;
    text-align: center;
    margin-top: 12px;
    display: none;
    font-size: 13px;
    padding: 10px;
    background: rgba(239,68,68,0.15);
    border-radius: var(--radius-xs);
    border: 1px solid rgba(239,68,68,0.3);
}

/* ============== Header ============== */
.app-header {
    background: var(--header-bg);
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    height: 60px;
    display: flex;
    align-items: center;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-content h1 {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

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

.user-info span {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 13px;
    padding: 6px 12px;
    background: var(--surface-2);
    border-radius: 20px;
    border: 1px solid var(--border);
}

.btn-logout {
    padding: 7px 16px;
    background: rgba(239,68,68,0.15);
    color: #fca5a5;
    border: 1px solid rgba(239,68,68,0.25);
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    font-size: 13px;
    transition: all var(--transition);
    font-family: inherit;
}

.btn-logout:hover {
    background: rgba(239,68,68,0.25);
    border-color: rgba(239,68,68,0.4);
    color: #f87171;
}

/* ============== Admin Dashboard ============== */
.admin-container {
    max-width: 1400px;
    margin: 28px auto;
    padding: 0 24px;
}

.admin-nav {
    display: flex;
    gap: 6px;
    margin-bottom: 24px;
    background: var(--surface);
    padding: 6px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    width: fit-content;
}

.nav-btn {
    padding: 9px 20px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition);
    font-family: inherit;
    white-space: nowrap;
}

.nav-btn:hover {
    background: var(--bg);
    color: var(--text-primary);
}

.nav-btn.active {
    background: var(--accent);
    color: white;
    box-shadow: 0 2px 8px rgba(99,102,241,0.35);
}

.admin-section {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    animation: fadeIn 0.2s ease;
}

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

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.section-header h2 {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 16px;
    letter-spacing: -0.2px;
}

/* ============== Buttons ============== */
.btn-refresh,
.btn-primary,
.btn-secondary,
.btn-bulk-upload,
.btn-download,
.btn-small {
    padding: 9px 18px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 500;
    font-size: 13px;
    transition: all var(--transition);
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.btn-primary, .btn-bulk-upload {
    background: var(--accent);
    color: white;
    box-shadow: 0 1px 3px rgba(99,102,241,0.3);
}

.btn-primary:hover, .btn-bulk-upload:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99,102,241,0.35);
}

.btn-refresh {
    background: var(--surface-2);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-refresh:hover {
    background: var(--bg);
    color: var(--text-primary);
    border-color: var(--border-2);
}

.btn-secondary {
    background: var(--surface-2);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg);
    color: var(--text-primary);
}

.btn-download {
    background: var(--success);
    color: white;
    box-shadow: 0 1px 3px rgba(16,185,129,0.3);
    text-decoration: none;
}

.btn-download:hover {
    background: #059669;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16,185,129,0.35);
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
    background: var(--accent-light);
    color: var(--accent);
    border: 1px solid rgba(99,102,241,0.2);
}

.btn-small:hover {
    background: var(--accent);
    color: white;
}

.btn-danger-small {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid rgba(239,68,68,0.2);
}
.btn-danger-small:hover { background: var(--danger); color: white; }

.btn-warning-small {
    background: var(--warning-light);
    color: #92400e;
    border: 1px solid rgba(245,158,11,0.2);
}
.btn-warning-small:hover { background: var(--warning); color: white; }

.btn-success-small {
    background: var(--success-light);
    color: #065f46;
    border: 1px solid rgba(16,185,129,0.2);
}
.btn-success-small:hover { background: var(--success); color: white; }

/* ============== Status Badges ============== */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.status-badge.active {
    background: var(--success-light);
    color: var(--success);
    border: 1px solid rgba(16,185,129,0.2);
}
.status-badge.suspended {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid rgba(239,68,68,0.2);
}

/* ============== Search Bar ============== */
.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.search-bar input {
    flex: 1;
    min-width: 160px;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: inherit;
    background: var(--surface-2);
    color: var(--text-primary);
    transition: all var(--transition);
    -webkit-user-select: text;
    user-select: text;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--accent);
    background: white;
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.search-bar label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

/* ============== Tables ============== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--surface-2);
}

th {
    padding: 11px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-primary);
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr {
    transition: background var(--transition);
}

tbody tr:hover {
    background: var(--surface-2);
}

.loading {
    text-align: center;
    color: var(--text-muted);
    padding: 40px;
    font-size: 13px;
}

.empty {
    text-align: center;
    color: var(--text-muted);
    padding: 40px;
    font-size: 13px;
}

.out-of-stock {
    color: var(--danger);
    font-weight: 600;
}

/* ============== Badges ============== */
.role-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.role-badge.admin {
    background: var(--accent-light);
    color: var(--accent);
    border: 1px solid rgba(99,102,241,0.2);
}

.role-badge.customer {
    background: #f0fdf4;
    color: var(--success);
    border: 1px solid rgba(16,185,129,0.2);
}

.action-badge {
    display: inline-flex;
    padding: 3px 9px;
    border-radius: var(--radius-xs);
    font-size: 11px;
    font-weight: 600;
}

.action-badge.reset_password {
    background: var(--warning-light);
    color: #b45309;
}

.action-badge.create_user {
    background: var(--success-light);
    color: #065f46;
}

/* ============== Forms ============== */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 7px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 13px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--surface-2);
    transition: all var(--transition);
    -webkit-user-select: text;
    user-select: text;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    background: white;
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.form-group button {
    width: 100%;
    padding: 11px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}

.form-group button:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99,102,241,0.35);
}

/* ============== Modals ============== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.15s ease;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 32px;
    max-width: 500px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    animation: slideUp 0.2s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-large {
    max-width: 900px;
    width: 90%;
}

.close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 22px;
    cursor: pointer;
    color: var(--text-muted);
    line-height: 1;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all var(--transition);
}

.close:hover {
    background: var(--bg);
    color: var(--text-primary);
}

.modal-content h3 {
    margin-bottom: 24px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 16px;
    padding-right: 30px;
}

.modal-content .form-group {
    margin-bottom: 16px;
}

.sale-info p {
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--text-secondary);
}

.sale-info p strong {
    color: var(--text-primary);
}

.items-table {
    margin-top: 15px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
}

.items-table th,
.items-table td {
    padding: 10px 12px;
    font-size: 12px;
}

/* ============== Bulk Upload ============== */
.bulk-upload-section {
    background: var(--surface-2);
    border: 1.5px dashed var(--border-2);
    border-radius: var(--radius-sm);
    padding: 20px;
    margin-bottom: 20px;
}

.bulk-upload-section.compact {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    flex-wrap: wrap;
}

.bulk-upload-section.compact h3 {
    display: none;
}

.btn-download-small {
    padding: 8px 14px;
    background: var(--success-light);
    color: var(--success);
    text-decoration: none;
    border-radius: var(--radius-xs);
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(16,185,129,0.2);
    transition: all var(--transition);
}

.btn-download-small:hover {
    background: var(--success);
    color: white;
}

.bulk-upload-section h3 {
    color: var(--text-primary);
    margin-bottom: 14px;
    font-size: 14px;
    font-weight: 600;
}

.bulk-upload-controls {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.file-upload-wrapper {
    display: flex;
    gap: 10px;
    align-items: center;
}

.file-input {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--surface);
    font-size: 13px;
    font-family: inherit;
    -webkit-user-select: text;
    user-select: text;
}

/* ============== Password Confirmation ============== */
.password-confirmation {
    margin-top: 14px;
    padding: 14px;
    background: var(--warning-light);
    border: 1px solid rgba(245,158,11,0.25);
    border-radius: var(--radius-sm);
}

.password-confirmation label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #92400e;
    font-size: 12px;
}

.password-confirmation input {
    width: 100%;
    max-width: 300px;
    padding: 9px 12px;
    border: 1px solid rgba(245,158,11,0.3);
    border-radius: var(--radius-xs);
    font-size: 13px;
    font-family: inherit;
    background: white;
    -webkit-user-select: text;
    user-select: text;
}

/* ============== User Info & Status ============== */
.user-info-text {
    padding: 12px 14px;
    background: var(--surface-2);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-weight: 500;
    font-size: 13px;
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

.password-display {
    padding: 12px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: 'SF Mono', 'Fira Code', monospace;
    word-break: break-all;
    font-size: 12px;
    max-height: 100px;
    overflow-y: auto;
    color: var(--text-primary);
}

.upload-status {
    margin-top: 12px;
}

.upload-status .success {
    color: #065f46;
    background: var(--success-light);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    display: block;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid rgba(16,185,129,0.2);
}

.upload-status .error {
    color: #991b1b;
    background: var(--danger-light);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    display: block;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid rgba(239,68,68,0.2);
}

.upload-status .loading {
    color: var(--text-secondary);
    background: var(--surface-2);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    display: block;
    font-size: 13px;
    border: 1px solid var(--border);
}

/* ============== Hint text ============== */
.hint-text {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 5px;
}

/* ============== Customer Dashboard ============== */
.customer-container {
    max-width: 960px;
    margin: 28px auto;
    padding: 0 24px;
}

.welcome-section {
    background: linear-gradient(135deg, var(--header-bg) 0%, #1e293b 100%);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.welcome-section h2 {
    color: #ffffff;
    margin-bottom: 8px;
    font-size: 20px;
    font-weight: 700;
}

.welcome-section p {
    color: rgba(255,255,255,0.55);
    font-size: 14px;
}

.search-section {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.results-section {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.results-section h3 {
    color: var(--text-primary);
    margin-bottom: 16px;
    font-weight: 600;
    font-size: 15px;
}

/* ============== Pagination ============== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 10px;
}

.pagination-info {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

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

.pagination-pages {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 600;
    white-space: nowrap;
}

.pagination-btn {
    padding: 7px 16px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    transition: all var(--transition);
    font-family: inherit;
}

.pagination-btn:hover:not([disabled]) {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.pagination-btn[disabled] {
    opacity: 0.35;
    cursor: not-allowed;
}

/* ============== Dashboard ============== */

.dashboard-section {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
}

/* Date filter bar */
.dash-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.dash-presets {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.preset-btn {
    padding: 7px 16px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--surface-2);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    font-weight: 500;
    transition: all var(--transition);
    white-space: nowrap;
}

.preset-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-light);
}

.preset-btn.active {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
    box-shadow: 0 2px 8px rgba(220,38,38,0.28);
}

.dash-custom {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    flex-wrap: wrap;
}

.dash-custom label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.dash-custom input[type="date"] {
    padding: 7px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: inherit;
    background: var(--surface-2);
    color: var(--text-primary);
    transition: all var(--transition);
    -webkit-user-select: text;
    user-select: text;
}

.dash-custom input[type="date"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(220,38,38,0.1);
}

/* KPI cards grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.kpi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 20px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition);
}

.kpi-card:hover {
    box-shadow: var(--shadow);
}

.kpi-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.revenue-icon {
    background: #fee2e2;
    color: var(--accent);
    font-size: 22px;
    font-weight: 800;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.txn-icon   { background: #eff6ff; }
.stock-icon { background: #f0fdf4; }
.users-icon { background: #faf5ff; }

.kpi-body {
    flex: 1;
    min-width: 0;
}

.kpi-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 6px;
}

.kpi-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    line-height: 1.1;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.kpi-sub {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Charts layout */
.charts-row-full {
    margin-bottom: 16px;
}

.charts-row-half {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.chart-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 20px;
    box-shadow: var(--shadow-sm);
}

.chart-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.chart-canvas-wrap {
    position: relative;
    height: 220px;
}

.chart-canvas-wrap.chart-tall {
    height: 260px;
}

/* Tyre revenue row */
.tyre-rev-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

.tyre-rev-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.new-dot  { background: #dc2626; }
.pw-dot   { background: #f97316; }
.svc-dot  { background: #1d4ed8; }

.tyre-rev-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-right: 12px;
}

.tyre-rev-label strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ============== Management ============== */

.mgmt-lock-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 340px;
}

.mgmt-lock-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 36px;
    max-width: 380px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow);
}

.mgmt-lock-icon {
    font-size: 44px;
    margin-bottom: 14px;
    line-height: 1;
}

.mgmt-lock-box h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.mgmt-lock-box p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.mgmt-lock-box input[type="password"] {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    text-align: center;
    letter-spacing: 4px;
    background: var(--surface-2);
    color: var(--text-primary);
    transition: all var(--transition);
    -webkit-user-select: text;
    user-select: text;
}

.mgmt-lock-box input[type="password"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(220,38,38,0.12);
    background: #fff;
}

.mgmt-key-err {
    margin-top: 10px;
    font-size: 13px;
    color: var(--danger);
    font-weight: 500;
}

/* Sub-navigation inside management */
.mgmt-subnav {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 5px;
    width: fit-content;
    box-shadow: var(--shadow-sm);
}

.mgmt-tab-btn {
    padding: 8px 18px;
    border: none;
    border-radius: var(--radius-xs);
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.mgmt-tab-btn:hover {
    background: var(--bg);
    color: var(--text-primary);
}

.mgmt-tab-btn.active {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(220,38,38,0.25);
}

/* Panel wrapper */
#mgmtReorderPanel,
#mgmtStockingPanel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    animation: fadeIn 0.2s ease;
}

.mgmt-hint {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    padding: 10px 14px;
    background: var(--surface-2);
    border-radius: var(--radius-xs);
    border-left: 3px solid var(--accent);
}

/* Reorder summary banner */
.reorder-summary {
    font-size: 13px;
    font-weight: 600;
    color: #92400e;
    background: var(--warning-light);
    border: 1px solid rgba(217,119,6,0.25);
    border-radius: var(--radius-xs);
    padding: 10px 14px;
    margin-bottom: 14px;
}

/* Reorder urgency row colours */
.reorder-high td { background: #fff7ed; }
.reorder-med  td { background: #fffbeb; }

/* Reorder quantity badge */
.reorder-qty {
    font-weight: 700;
    color: var(--accent);
    font-size: 14px;
}

/* ============== Utility ============== */
.hidden {
    display: none !important;
}

/* ============== Responsive ============== */
@media (max-width: 768px) {
    .app-header {
        height: auto;
        padding: 12px 16px;
    }

    .header-content {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .admin-container,
    .customer-container {
        margin: 16px auto;
        padding: 0 16px;
    }

    .admin-nav {
        width: 100%;
        overflow-x: auto;
    }

    .nav-btn {
        font-size: 12px;
        padding: 8px 14px;
    }

    .admin-section {
        padding: 20px 16px;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .search-bar {
        flex-direction: column;
    }

    .search-bar input {
        width: 100%;
    }

    table {
        font-size: 12px;
    }

    th, td {
        padding: 10px 10px;
    }

    .user-info {
        flex-wrap: wrap;
        gap: 8px;
    }

    .modal-content {
        padding: 24px 20px;
    }

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

    .kpi-value {
        font-size: 20px;
    }

    .charts-row-half {
        grid-template-columns: 1fr;
    }

    .dash-filter-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .dash-custom {
        margin-left: 0;
        flex-wrap: wrap;
    }
}

/* ============== Phase G additions ============== */

.success-message {
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    color: #047857;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-top: 10px;
}
.info-text {
    color: var(--text-secondary);
    font-size: 13px;
    margin: 6px 0;
}

/* Checkout / POS -- styled to echo the Excel POS card: a lookup list on the left
   (brand/quantity available for whatever size is typed, same job as the Excel
   sheet's live B/C columns), the entry form as its own card in the middle, the
   basket on the right. */
.checkout-grid {
    display: grid;
    grid-template-columns: 200px 340px 1fr;
    gap: 20px;
    align-items: start;
}
.checkout-lookup h3 { margin-top: 0; font-size: 15px; }
.checkout-lookup .mgmt-hint { margin-top: -4px; }
#checkoutLookupTable th, #checkoutLookupTable td { padding: 6px 8px; font-size: 13px; }
.checkout-lookup-row { cursor: pointer; }
.checkout-lookup-row:hover { background: var(--surface-2); }

.checkout-add {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--surface);
    padding: 0 18px 18px;
}
.checkout-add-title {
    margin: 0 -18px 18px;
    padding: 14px 18px;
    background: linear-gradient(135deg, #2b6cb0, #1a4e8a);
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: .02em;
}
.checkout-basket h3 { margin-top: 0; }
.checkout-total-row {
    text-align: right;
    font-size: 18px;
    padding: 10px 0;
    border-top: 1px solid var(--border);
    margin-top: 8px;
}
.checkout-split-row {
    display: flex;
    gap: 8px;
    align-items: center;
}
.checkout-split-row select,
.checkout-split-row input { flex: 1; width: auto; min-width: 0; }
.checkout-split-row button { width: auto; flex: 0 0 auto; }

.inline-form-row {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    margin-bottom: 18px;
    flex-wrap: wrap;
}
.inline-form-row > div { display: flex; flex-direction: column; }
.inline-form-row label { margin-bottom: 7px; font-weight: 500; color: var(--text-secondary); font-size: 13px; }
.inline-form-row input,
.inline-form-row select { padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 14px; }
.inline-form-row button { width: auto; flex: 0 0 auto; }
@media (max-width: 1150px) {
    .checkout-grid { grid-template-columns: 1fr 1fr; }
    .checkout-lookup { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
    .checkout-grid { grid-template-columns: 1fr; }
}

/* Notifications */
.nav-notif-wrap {
    position: relative;
    cursor: pointer;
    font-size: 20px;
    padding: 0 10px;
    display: flex;
    align-items: center;
}
.notif-badge {
    position: absolute;
    top: -2px;
    right: 2px;
    background: var(--accent);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
}
.notif-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 13.5px;
}
.notif-row.notif-warning { background: #fffbeb; }
.notif-row.notif-critical { background: #fef2f2; }
.notif-row.notif-read { opacity: 0.55; }

/* Supply invoice line grid: row-number column */
.si-row-num {
    width: 32px;
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
    user-select: none;
}
#siLinesTable { table-layout: fixed; }
#siLinesTable input { min-width: 0; }
.si-line-total {
    text-align: right;
    font-variant-numeric: tabular-nums;
    color: var(--text-secondary);
    white-space: nowrap;
}

.si-totals-box {
    margin-top: 14px;
    max-width: 360px;
    margin-left: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    padding: 4px 16px;
}
.si-totals-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.si-totals-row:last-child { border-bottom: none; }
.si-totals-row small { color: var(--text-muted); font-weight: 400; }
.si-totals-row input {
    width: 100px;
    text-align: right;
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-variant-numeric: tabular-nums;
}
.si-totals-final { font-size: 16px; font-weight: 700; }
.si-totals-final strong { font-variant-numeric: tabular-nums; }

/* Typing assist -- autocomplete dropdown, positioned relative to whatever
   wraps the input (a .form-group div, or a table cell in a grid). */
.autocomplete-list {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 50;
    min-width: 160px;
    max-width: 280px;
    max-height: 220px;
    overflow-y: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: 0 6px 18px rgba(0,0,0,0.12);
    margin-top: 2px;
}
.autocomplete-item {
    padding: 8px 12px;
    font-size: 13.5px;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.autocomplete-item:hover,
.autocomplete-item.active {
    background: var(--accent);
    color: #fff;
}