/* =========================================================================
   1. ELEGANT DESIGN SYSTEM & TYPOGRAPHY
   ========================================================================= */

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

:root {
    /* Deep Slate & Indigo Theme (Dark) */
    --bg-color: #0c0e12;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #6366f1; /* Indigo */
    --accent-hover: #818cf8;
    --border-color: rgba(255, 255, 255, 0.08);
    --card-bg: #11141b;
    --hover-bg: rgba(255, 255, 255, 0.04);
    --selected-bg: rgba(99, 102, 241, 0.1);
    --th-bg: rgba(255, 255, 255, 0.02);
    --btn-edit-hover: rgba(255, 255, 255, 0.06);
    --glass-bg: rgba(17, 20, 27, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --input-bg: rgba(255, 255, 255, 0.03);
}

[data-theme='light'] {
    /* Soft Slate & Indigo Theme (Light) */
    --bg-color: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --accent-color: #4f46e5;
    --accent-hover: #4338ca;
    --border-color: rgba(0, 0, 0, 0.08);
    --card-bg: #ffffff;
    --hover-bg: rgba(0, 0, 0, 0.03);
    --selected-bg: rgba(79, 70, 229, 0.08);
    --th-bg: rgba(0, 0, 0, 0.01);
    --btn-edit-hover: rgba(0, 0, 0, 0.04);
    --glass-bg: rgba(255, 255, 255, 0.82);
    --glass-border: rgba(0, 0, 0, 0.08);
    --input-bg: rgba(0, 0, 0, 0.03);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, sans-serif;
    min-height: 100vh;
    display: flex;
    overflow-y: auto;
    transition: background-color 0.4s ease, color 0.4s ease;
}

h1, h2, h3, .app-logo {
    font-family: 'Outfit', sans-serif;
}

.company-logo-img {
    background: transparent !important;
    border: none !important;
    outline: none !important;
    display: block;
}

#root {
    width: 100%;
    height: 100%;
}

/* =========================================================================
   2. AUTHENTICATION & LOGIN UI (NEW)
   ========================================================================= */

.auth-overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.15), transparent), var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.auth-box {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    width: 100%;
    max-width: 440px;
    padding: 3rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: authFadeIn 0.3s ease;
}

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

.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-logo {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
    background: linear-gradient(to right, var(--accent-color), var(--accent-hover));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.auth-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.auth-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-left: 0.25rem;
}

.auth-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.auth-input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.85rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.2s;
    height: 48px; /* Force consistent height for select vs input */
}

select.auth-input {
    cursor: pointer;
}

select.auth-input option {
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.auth-input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.auth-input-icon {
    position: absolute;
    right: 1rem;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.auth-input-icon:hover {
    color: var(--accent-color);
}

.auth-btn-primary {
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 0.9rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 1rem;
    box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.2), 0 2px 4px -1px rgba(99, 102, 241, 0.1);
}

.auth-btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3), 0 4px 6px -2px rgba(99, 102, 241, 0.2);
}

.auth-btn-text {
    background: none;
    border: none;
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 0; /* Removed forced margin for better alignment in shared components */
    transition: opacity 0.2s;
}

.auth-btn-text:hover {
    opacity: 0.8;
}

/* =========================================================================
   3. APP LAYOUT & CORE NAVIGATION
   ========================================================================= */

.app-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.top-brand-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.8rem 4vw; /* Significantly bigger/taller bar as requested */
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
}

.brand-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.app-logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    background: linear-gradient(to bottom, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-tabs-left {
    margin-left: 2rem;
    display: flex;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.03); /* Glassy pill container */
    padding: 6px;
    border-radius: 40px;
    border: 1px solid var(--border-color);
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.6rem 1.75rem;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-btn.active {
    background: var(--accent-color);
    color: white;
    box-shadow: 0 8px 16px -4px rgba(99, 102, 241, 0.4);
}

.nav-btn:hover:not(.active) {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.brand-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.4rem 0.75rem;
    border-radius: 12px;
    transition: all 0.2s;
}

.brand-right:hover {
    background: var(--hover-bg);
}

.user-avatar-btn {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: white;
    border: none;
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.3);
}

.app-layout {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 2rem 4vw;
    gap: 1.5rem;
    overflow-y: auto;
}

/* =========================================================================
   4. DATA CONTAINERS (THE "LIST BOX")
   ========================================================================= */

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.list-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    width: 100%;
    /* Remove fixed height to allow internal content to dictate size or scroll */
    min-height: 500px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

/* =========================================================================
   5. TABLES & TOOLBARS
   ========================================================================= */

.inventory-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.management-row th {
    padding: 1.5rem 2.5rem; /* Increased padding significantly */
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.01);
}

.management-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2.2rem 2.5rem; /* Large bar padding, significantly taller than icons */
}

.search-bar {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.65rem 1.25rem; /* Fixed: reset icon padding to be smaller within the large bar */
    width: 280px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.2s;
    height: 42px;
}

.active-input:focus, .search-bar:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.tool-btn {
    padding: 0.65rem 1.25rem; /* Fixed: reset icon padding within the large bar */
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    height: 42px;
    display: flex;
    align-items: center;
}

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

.add-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

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

.remove-btn {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.2);
}

.header-row th {
    padding: 1rem 2rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

.header-row:hover th {
    background: var(--hover-bg); /* Highlight header on hover for clickability */
}

/* Location Pills Filter */
.location-pills {
    display: flex;
    gap: 0.75rem;
    padding: 1.8rem 2.5rem 0 2.5rem; /* Spacious padding above the toolbar */
    flex-wrap: wrap;
    animation: authFadeIn 0.4s ease;
}

.location-pill {
    padding: 0.6rem 1.4rem;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.location-pill.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    box-shadow: 0 8px 16px -4px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.location-pill:hover:not(.active) {
    background: var(--hover-bg);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.data-row td {
    padding: 1.25rem 2rem; /* Fat finger! More vertical space */
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer; /* Entire cell is interactive */
    transition: background-color 0.15s;
}

.data-row:hover td {
    background: var(--hover-bg); /* Full row highlight on hover */
}
.data-row input[type="checkbox"], .header-row input[type="checkbox"] {
    cursor: pointer;
    accent-color: var(--accent-color);
}

.data-row.selected td {
    background: var(--selected-bg);
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.status-badge.success { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.status-badge.warning { background: rgba(245, 158, 11, 0.1); color: var(--warning); }

/* =========================================================================
   6. CUSTOM COMPONENTS
   ========================================================================= */

.view-switcher {
    display: flex;
    background: var(--hover-bg);
    padding: 3px;
    border-radius: 10px;
    gap: 2px;
}

.view-switcher-btn {
    padding: 0.4rem 1.2rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.view-switcher-btn.active {
    background: var(--card-bg);
    color: var(--accent-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* =========================================================================
   7. SETTINGS & SCROLLING
   ========================================================================= */

.settings-tab {
    padding: 4rem;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

.setting-item {
    margin-bottom: 1.5rem;
    padding: 2rem;
    background: var(--hover-bg);
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

/* =========================================================================
   8. PROMPT / MODAL
   ========================================================================= */

.prompt-box {
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    padding: 3.5rem; /* Significantly larger padding for spacious prompts */
    width: 100%;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}/* Item List Card System */
.item-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
}

.item-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.item-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    border-color: var(--accent-color);
}

.item-image-wrapper {
    height: 180px;
    background: var(--hover-bg);
    position: relative;
    overflow: hidden;
}

.item-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.item-card:hover .item-image { transform: scale(1.05); }

.item-status-overlay {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
}

.item-details-box {
    padding: 1.25rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.item-header h3 { margin: 0; font-size: 1.15rem; font-weight: 700; color: var(--text-primary); }
.item-code-tag { font-family: 'Outfit'; font-size: 0.75rem; color: var(--text-secondary); opacity: 0.6; }

.item-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; margin: 4px 0; min-height: 2.5em; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; }

.item-stock-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; background: var(--hover-bg); padding: 1rem; border-radius: 14px; margin-top: auto; }
.stock-label { font-size: 0.7rem; font-weight: 800; text-transform: uppercase; color: var(--text-secondary); margin-bottom: 4px; letter-spacing: 0.5px; }
.stock-val { font-size: 1.15rem; font-weight: 800; color: var(--text-primary); }

.status-badge.reorder { background: rgba(239, 68, 68, 0.15); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.2); }
.status-badge.okay { background: rgba(34, 197, 94, 0.15); color: #22c55e; border: 1px solid rgba(34, 197, 94, 0.2); }

/* Organised Navigation / Sort Styles */
.sort-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    min-width: 240px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.5);
    z-index: 2000;
    padding: 0.6rem;
    backdrop-filter: blur(20px);
}

.sort-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.2s;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.sort-item:hover { background: var(--hover-bg); color: var(--accent-color); transform: translateX(4px); }
.sort-item.active { background: rgba(79, 70, 229, 0.1); color: var(--accent-color); font-weight: 600; border: 1px solid rgba(79, 70, 229, 0.2); }
.prompt-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 2rem;
}

/* =========================================================================
   9. DASHBOARD COMPONENTS
   ========================================================================= */
.dashboard-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
}

.dash-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.dash-card-value {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.dash-card-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* =========================================================================
   10. ADMIN & DATA TABLES
   ========================================================================= */

.data-table-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    margin-top: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.data-table thead th {
    background: var(--th-bg);
    padding: 1rem 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
}

.data-table tbody td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

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

.data-table tbody tr:hover {
    background: var(--hover-bg);
}

.admin-tab-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

/* Animations */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-15px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeScale {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.fade-in { animation: authFadeIn 0.3s ease-out; }
.slide-up { animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1); }