* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --success: #16a34a;
    --warning: #ca8a04;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
    --radius: 0.75rem;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    font-size: 16px;
}

/* ===== LOGIN PAGE LOGO ===== */
.login-page {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-box {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 380px;
}

.login-logo-wrap {
    text-align: center;
    margin-bottom: 0.75rem;
}

.login-logo-wrap .logo-img {
    max-width: 140px;
    max-height: 70px;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* ===== NAVBAR LOGO ===== */
.nav-logo {
    max-height: 32px;
    max-width: 120px;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
}

.subtitle {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.hint {
    text-align: center;
    color: var(--gray-500);
    font-size: 0.75rem;
    margin-top: 1rem;
}

.main-header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
    height: 52px;
}

.header-brand a {
    display: flex;
    align-items: center;
    text-decoration: none;
    height: 100%;
}

.menu-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.4rem;
    padding: 0.4rem;
    cursor: pointer;
    color: var(--gray-800);
    line-height: 1;
}

.main-nav {
    display: none;
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid var(--gray-200);
    flex-direction: column;
    padding: 0.5rem;
    box-shadow: var(--shadow-lg);
}

.main-nav.active {
    display: flex;
}

.main-nav a {
    padding: 0.875rem 1rem;
    color: var(--gray-600);
    text-decoration: none;
    border-radius: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
}

.main-nav a:hover, .main-nav a.active {
    background: var(--gray-100);
    color: var(--primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    padding-bottom: 3rem;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1.5rem 0 1rem;
}

.section-header h3 {
    font-size: 1.1rem;
    color: var(--gray-700);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
    min-height: 44px;
    touch-action: manipulation;
}

.btn:active {
    transform: scale(0.97);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-800);
}

.btn-danger {
    background: #fee2e2;
    color: var(--danger);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
    border: 1px solid var(--gray-300);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    min-height: 32px;
}

.btn-lg {
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    width: 100%;
}

.btn-block {
    width: 100%;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 16px;
    background: white;
    min-height: 48px;
    font-family: inherit;
    color: var(--gray-900);
    -webkit-appearance: none;
    appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
    background: var(--gray-100);
    color: var(--gray-600);
    cursor: not-allowed;
}

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

.form-card {
    background: white;
    padding: 1.25rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    max-width: 640px;
}

.form-actions {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: stretch;
}

.auto-save-status {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-align: center;
}

.search-form {
    background: white;
    padding: 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}

.search-form .form-row {
    gap: 0.75rem;
}

.search-form input,
.search-form select {
    min-height: 44px;
    padding: 0.625rem;
}

.search-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

/* Meta info for admin/manager */
.meta-info {
    background: white;
    padding: 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
    max-width: 640px;
}

.meta-row {
    display: flex;
    justify-content: space-between;
    padding: 0.375rem 0;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--gray-100);
}

.meta-row:last-child {
    border-bottom: none;
}

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

.meta-value {
    color: var(--gray-800);
    font-weight: 600;
}

/* ===== CUSTOMER CARDS ===== */
.customer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.customer-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1rem;
    position: relative;
    transition: transform 0.15s, box-shadow 0.15s;
}

.customer-card:active {
    transform: scale(0.99);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    gap: 0.5rem;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--gray-900);
    word-break: break-word;
    flex: 1;
}

.card-badges {
    display: flex;
    gap: 0.375rem;
    flex-shrink: 0;
}

.card-body {
    margin-bottom: 0.75rem;
}

.card-row {
    font-size: 0.875rem;
    color: var(--gray-600);
    padding: 0.25rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    word-break: break-all;
}

.card-row a {
    color: var(--primary);
    text-decoration: none;
}

.card-row .icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.creator-row {
    color: var(--gray-500);
    font-size: 0.8rem;
    margin-top: 0.25rem;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--gray-200);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0.75rem;
    border-top: 1px solid var(--gray-100);
}

.time-ago {
    font-size: 0.75rem;
    color: var(--gray-400);
}

.card-actions {
    display: flex;
    gap: 0.5rem;
}

.lock-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--gray-800);
    color: white;
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    opacity: 0.85;
}

/* ===== USER CARDS (NO TABLE) ===== */
.user-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.user-card {
    background: white;
    padding: 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 0.875rem;
    transition: transform 0.15s;
}

.user-card:active {
    transform: scale(0.99);
}

.user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    flex-shrink: 0;
}

.user-info {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 700;
    color: var(--gray-900);
    font-size: 0.95rem;
    word-break: break-word;
}

.user-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.25rem;
    flex-wrap: wrap;
}

.user-username {
    font-size: 0.8rem;
    color: var(--gray-400);
}

.user-date {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 0.125rem;
}

.user-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.badge-high { background: #fee2e2; color: #991b1b; }
.badge-medium { background: #fef3c7; color: #92400e; }
.badge-low { background: #dbeafe; color: #1e40af; }
.badge-active { background: #d1fae5; color: #065f46; }
.badge-inactive { background: #f3f4f6; color: #6b7280; }
.badge-converted { background: #e0e7ff; color: #3730a3; }
.badge-role-admin { background: #fee2e2; color: #991b1b; }
.badge-role-manager { background: #fef3c7; color: #92400e; }
.badge-role-employee { background: #dbeafe; color: #1e40af; }

/* ===== STATS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.stat-card {
    background: white;
    padding: 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* ===== CARDS (Import/Export etc) ===== */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.card h3 {
    margin-bottom: 0.5rem;
    color: var(--gray-800);
    font-size: 1.1rem;
}

.card p {
    color: var(--gray-600);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

/* ===== ALERTS ===== */
.alert {
    padding: 0.875rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
}

/* ===== DESKTOP ===== */
@media (min-width: 640px) {
    .customer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

@media (min-width: 1024px) {
    .customer-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .user-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .menu-toggle {
        display: none;
    }

    .main-nav {
        display: flex !important;
        position: static;
        flex-direction: row;
        border: none;
        padding: 0;
        box-shadow: none;
    }

    .main-nav a {
        padding: 1rem 0.875rem;
    }

    .form-actions {
        flex-direction: row;
        justify-content: flex-start;
    }

    .btn-lg {
        width: auto;
    }

    .container {
        padding: 1.5rem;
    }
}

@media (hover: none) {
    .btn:active {
        transform: scale(0.96);
    }

    input, select, textarea {
        font-size: 16px !important;
    }
}