/* 
   SupplyMaster Design System 
   Based on DESIGN_GUIDE.md
*/

:root {
    /* ── Primary Brand ──────────────────────────────────── */
    --color-primary:          #1B4332;   /* Deep Forest Green */
    --color-primary-hover:    #163727;
    --color-primary-light:    #2D6A4F;
    --color-primary-muted:    #52796F;
    --color-primary-surface:  #D8F3DC;
    --color-primary-border:   #95D5B2;

    /* ── Accent Gold ────────────────────────────────────── */
    --color-accent:           #B7860B;   /* Antique Gold */
    --color-accent-hover:     #9A700A;
    --color-accent-light:     #D4A017;
    --color-accent-muted:     #C9A84C;
    --color-accent-surface:   #FDF3C0;
    --color-accent-border:    #E9C46A;

    /* ── Neutrals ───────────────────────────────────────── */
    --color-bg-primary:       #FFFFFF;
    --color-bg-secondary:     #F5F5F0;
    --color-bg-tertiary:      #EBEBE5;
    --color-bg-dark:          #111D17;
    --color-bg-dark-hover:    #1A2E22;
    --color-bg-dark-active:   #1B4332;

    /* ── Text ───────────────────────────────────────────── */
    --color-text-primary:     #1A1A18;
    --color-text-secondary:   #4A5568;
    --color-text-muted:       #718096;
    --color-text-on-dark:     #E8F5E9;
    --color-text-on-dark-muted: #8BAF94;
    --color-text-accent:      #B7860B;
    --color-text-link:        #2D6A4F;

    /* ── Borders ────────────────────────────────────────── */
    --color-border-light:     #E2E8E4;
    --color-border-medium:    #C4CECC;
    --color-border-strong:    #8FAF9B;

    /* ── Semantic Status ────────────────────────────────── */
    --color-success-bg:       #D8F3DC;
    --color-success-text:     #1B4332;
    --color-success-border:   #95D5B2;

    --color-warning-bg:       #FDF3C0;
    --color-warning-text:     #7B5E08;
    --color-warning-border:   #E9C46A;

    --color-danger-bg:        #FEE2E2;
    --color-danger-text:      #7F1D1D;
    --color-danger-border:    #FCA5A5;

    /* ── Shadows ────────────────────────────────────────── */
    --shadow-sm:   0 1px 2px rgba(0,0,0,0.05);
    --shadow-md:   0 4px 6px rgba(0,0,0,0.07), 0 1px 3px rgba(0,0,0,0.06);
    --shadow-lg:   0 10px 15px rgba(0,0,0,0.08), 0 4px 6px rgba(0,0,0,0.05);

    /* ── Spacing ────────────────────────────────────────── */
    --space-xs:    4px;
    --space-sm:    8px;
    --space-md:    16px;
    --space-lg:    24px;
    --space-xl:    32px;
    --space-2xl:   48px;

    /* ── Border Radius ──────────────────────────────────── */
    --radius-sm:   4px;
    --radius-md:   8px;
    --radius-lg:   12px;
    --radius-xl:   16px;

    /* ── Typography ─────────────────────────────────────── */
    --font-body:    'DM Sans', sans-serif;
    --font-mono:    'DM Mono', monospace;
    --text-xs:     10px;
    --text-sm:     12px;
    --text-base:   14px;
    --text-md:     16px;
    --text-xl:     24px;
    --text-2xl:    30px;
    --text-3xl:    36px;

    --leading-normal: 1.6;
}

/* Bootstrap Font Size Overrides to align with Design System */
.fs-1 { font-size: 2.5rem !important; } 
.fs-2 { font-size: 2rem !important; }   
.fs-3 { font-size: 1.75rem !important; }
.fs-4 { font-size: 1.5rem !important; } 
.fs-5 { font-size: 1.15rem !important; } /* ~18.4px - Optimized for readability */
.fs-6 { font-size: 0.9rem !important; }  /* ~14.4px */

/* Base Styles */
body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    margin: 0;
}

/* Login/Register Specific Layout */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--color-bg-secondary);
    padding: var(--space-lg);
}

.auth-card {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 440px;
    overflow: hidden;
}

.auth-header {
    background: var(--color-bg-dark);
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    color: var(--color-text-on-dark);
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: var(--space-sm);
}

.auth-logo-icon {
    height: 40px;
    width: auto;
}

.auth-logo-text {
    font-size: var(--text-xl);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.header-logo-icon {
    height: 28px;
    width: auto;
}

.auth-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-on-dark-muted);
}

.auth-body {
    padding: var(--space-xl) var(--space-lg);
}

/* Forms */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(27, 67, 50, 0.1);
}

/* ── User Account Components ─────────────────────────── */
.user-account {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    position: relative;
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.user-account:hover {
    background: var(--color-bg-secondary);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary-surface);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--text-sm);
    border: 2px solid var(--color-primary-border);
    overflow: hidden;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.user-role {
    font-size: 11px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Custom Dropdown Menu */
.dropdown-menu-custom {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 200px;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm) 0;
    z-index: 1100;
    display: none;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    opacity: 0;
}

.dropdown-menu-custom.show {
    display: block;
    transform: translateY(0);
    opacity: 1;
}

.dropdown-item-custom {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px var(--space-lg);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.dropdown-item-custom:hover {
    background: var(--color-bg-secondary);
    color: var(--color-primary);
}

.dropdown-divider-custom {
    height: 1px;
    background: var(--color-border-light);
    margin: var(--space-sm) 0;
}

.dropdown-logout {
    color: var(--color-danger-text);
}

.dropdown-logout:hover {
    background: var(--color-danger-bg);
    color: var(--color-danger-text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    padding: 8px 18px;
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-border-medium);
    border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-muted);
}

/* Sidebar specific scrollbar */
.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-light);
}

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

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

.auth-footer {
    padding: var(--space-lg);
    text-align: center;
    border-top: 1px solid var(--color-border-light);
    background: var(--color-bg-secondary);
    font-size: var(--text-sm);
}

.auth-footer a {
    color: var(--color-text-link);
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: var(--text-sm);
    border: 1px solid transparent;
}

.alert-danger {
    background: var(--color-danger-bg);
    color: var(--color-danger-text);
    border-color: var(--color-danger-border);
}

/* ── Application Shell ────────────────────────────────── */
.app-shell {
    display: grid;
    grid-template-rows: 60px 1fr;
    grid-template-columns: 240px 1fr;
    height: 100vh; /* Restricted height */
    overflow: hidden; /* Prevent body scroll */
}

@media (max-width: 991px) {
    .app-shell {
        grid-template-columns: 1fr; /* Single column on mobile */
    }
}

.top-bar { 
    grid-column: 1 / -1; 
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    padding: 0 var(--space-lg);
    z-index: 1000;
}

.sidebar { 
    grid-column: 1; 
    background: var(--color-bg-dark); 
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    z-index: 900;
    transition: transform var(--transition-normal);
}

@media (max-width: 991px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 60px;
        bottom: 0;
        width: 240px;
        transform: translateX(-100%); /* Hidden by default */
    }
    
    .sidebar.active {
        transform: translateX(0); /* Shown when active */
        box-shadow: var(--shadow-lg);
    }
}

.main-content { 
    grid-column: 2; 
    padding: var(--space-lg); 
    overflow-y: auto;
    background: var(--color-bg-primary);
}

@media (max-width: 991px) {
    .main-content {
        grid-column: 1;
    }
}

/* ── Menu Toggle ──────────────────────────────────────── */
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-primary);
    font-size: 24px;
    padding: 0;
    margin-right: var(--space-md);
    cursor: pointer;
}

@media (max-width: 991px) {
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Sidebar Overlay for mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
    z-index: 850;
}

.sidebar-overlay.active {
    display: block;
}

/* ── Sidebar Components ───────────────────────────────── */
.sidebar__logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: var(--space-lg) var(--space-md);
    /* Logo area simplified as per user request */
}

.sidebar__logo-mark {
    color: var(--color-accent-light);
    font-size: 20px;
}

.sidebar__logo-text {
    color: var(--color-text-on-dark);
    font-weight: 600;
    font-size: var(--text-md);
    letter-spacing: 0.02em;
}

.sidebar__tenant {
    padding: 10px var(--space-md);
    font-size: var(--text-xs);
    color: var(--color-text-on-dark-muted);
    background: rgba(255,255,255,0.04);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-family: var(--font-mono);
    letter-spacing: 0.03em;
}

.nav-group {
    padding: var(--space-md) 0 var(--space-sm);
}

.nav-group__label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-md) var(--space-xs);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-on-dark-muted);
}

.nav-group__label[data-bs-toggle="collapse"] {
    cursor: pointer;
    transition: color var(--transition-fast);
}

.nav-group__label[data-bs-toggle="collapse"]:hover {
    color: var(--color-text-on-dark);
}

.nav-group__label .collapse-arrow {
    font-size: 10px;
    transition: transform 0.3s ease;
}

.nav-group__label:not(.collapsed) .collapse-arrow {
    transform: rotate(180deg);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px var(--space-md);
    color: var(--color-text-on-dark-muted);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 500;
    transition: background var(--transition-fast), color var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: var(--color-bg-dark-hover);
    color: var(--color-text-on-dark);
}

.nav-item:hover .nav-item__icon {
    color: var(--color-accent-light);
}

.nav-item--active {
    background: var(--color-bg-dark-active);
    color: #FFFFFF !important; /* Force white text when active */
    border-left-color: var(--color-accent-light);
}

.nav-item__icon {
    width: 20px; /* Standardize icon width */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: inherit; /* Matches text color in idle state */
    transition: color var(--transition-fast);
}

.nav-item--active .nav-item__icon {
    color: var(--color-accent-light) !important; /* Force gold icon when active */
}

/* ── Page Header ──────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.page-title {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 4px 0;
}

.page-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin: 0;
}

/* ── Stat Cards ───────────────────────────────────────── */
.stat-card {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    height: 100%;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; bottom: 0;
    width: 4px;
    background: var(--color-primary);
}

.stat-card--accent::before { background: var(--color-accent); }
.stat-card--success::before { background: #52B788; }
.stat-card--warning::before { background: var(--color-accent-light); }

.stat-card__label {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.stat-card__value {
    font-size: var(--text-3xl);
    font-weight: 600;
    color: var(--color-text-primary);
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
}

.stat-card__sub {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: 4px;
}
/* ── Top Progress Bar ─────────────────────────────────── */
#global-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    z-index: 10000;
    background: transparent;
    pointer-events: none;
}

#global-loader .loader-bar {
    height: 100%;
    width: 0;
    background: var(--color-accent-light);
    box-shadow: 0 0 15px var(--color-accent-light);
    transition: width 0.4s ease;
}

#global-loader.loading .loader-bar {
    width: 70%;
    animation: loader-pulse 2s infinite ease-in-out;
}

#global-loader.finished .loader-bar {
    width: 100%;
    opacity: 0;
    transition: width 0.3s ease, opacity 0.3s 0.3s ease;
}

@keyframes loader-pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}