/* NEXSTOCK Modern Premium Design System */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    --accent-blue: #38bdf8;
    --accent-blue-hover: #0ea5e9;
    --accent-green: #10b981;
    --accent-green-hover: #059669;
    --accent-yellow: #f59e0b;
    --accent-red: #f43f5e;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --font-sans: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: var(--font-sans);
    min-height: 100vh;
    line-height: 1.5;
}

/* Layout container for Desktop & Mobile */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 1.5rem;
}

@media (min-width: 1024px) {
    .main-content {
        padding: 2.5rem 1.5rem;
    }
}

/* Header & Navigation */
.header-nav {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
    background: linear-gradient(135deg, #38bdf8, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-green);
}

.menu-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.menu-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    min-height: 44px; /* DC-01 */
    display: inline-flex;
    align-items: center;
}

.menu-link:hover, .menu-link.active {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.menu-link.active {
    border-left: 2px solid var(--accent-blue);
    border-radius: 0 0.375rem 0.375rem 0;
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.glass-card:hover {
    border-color: rgba(56, 189, 248, 0.2);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Typography elements */
h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Buttons (DC-01 Accessible area: min 44x44px target) */
.btn {
    font-family: var(--font-sans);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    min-height: 44px; /* DC-01 */
    min-width: 44px;  /* DC-01 */
    text-decoration: none;
    text-align: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #38bdf8, #0ea5e9);
    color: #fff;
    box-shadow: 0 4px 14px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #f43f5e, #e11d48);
    color: #fff;
    box-shadow: 0 4px 14px rgba(244, 63, 94, 0.3);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #e11d48, #be123c);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    font-family: var(--font-sans);
    color: var(--text-main);
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    transition: var(--transition);
    min-height: 44px; /* DC-01 */
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

/* Select / Dropdown Styling */
select.form-control {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
    cursor: pointer;
}

select.form-control option {
    background: #1e293b;
    color: #f8fafc;
    padding: 10px 16px;
}

select.form-control option:hover,
select.form-control option:checked {
    background: #0ea5e9;
    color: #ffffff;
}

select.form-control::-ms-expand {
    display: none;
}

/* Custom layout wrappers to guarantee DC-02: resolutions >= 1024px without scroll */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Metrics and KPI cards */
.metric-box {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.metric-value {
    font-size: 2.25rem;
    font-weight: 700;
    margin-top: 0.5rem;
    margin-bottom: 0.25rem;
    background: linear-gradient(135deg, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.metric-value.accent-blue {
    background: linear-gradient(135deg, #38bdf8, #0ea5e9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.metric-value.accent-green {
    background: linear-gradient(135deg, #10b981, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.metric-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
}

/* Premium Tables */
.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.table-premium {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    margin-top: 0.5rem;
}

.table-premium th {
    padding: 1rem;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

.table-premium td {
    padding: 1rem;
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    vertical-align: middle;
}

.table-premium tr:hover td {
    background: rgba(255, 255, 255, 0.01);
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    gap: 0.25rem;
}

.badge-blue {
    background: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.3);
}

.badge-green {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-yellow {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-red {
    background: rgba(244, 63, 94, 0.15);
    color: #fb7185;
    border: 1px solid rgba(244, 63, 94, 0.3);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.badge-blue .badge-dot { background: #38bdf8; }
.badge-green .badge-dot { background: #34d399; }
.badge-yellow .badge-dot { background: #fbbf24; }
.badge-red .badge-dot { background: #fb7185; }

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: #a7f3d0;
}

.alert-danger {
    background: rgba(244, 63, 94, 0.1);
    border-color: rgba(244, 63, 94, 0.2);
    color: #fecdd3;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
    color: #fef3c7;
}

/* User profile header / details */
.user-profile-menu {
    position: relative;
    display: inline-block;
}

/* Custom responsive items */
.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* Dynamic micro-animations */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.98); }
}

.pulse-indicator {
    animation: pulse 2s infinite ease-in-out;
}

/* Blind audit opacity helper */
.opname-hidden-value {
    letter-spacing: 0.2em;
    filter: blur(4px);
    transition: filter 0.3s;
    user-select: none;
}
.opname-hidden-value:hover {
    filter: blur(0);
}

/* Instructions card */
.instruction-box {
    background: rgba(56, 189, 248, 0.05);
    border-left: 4px solid var(--accent-blue);
    padding: 1rem;
    border-radius: 0 0.5rem 0.5rem 0;
    margin-bottom: 1.5rem;
}
.instruction-box h4 {
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}
.instruction-box ol {
    margin-left: 1.25rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Layout and Sidebar Container */
.app-layout {
    display: flex;
    height: 100vh;
    width: 100%;
    background-color: #030712;
    position: relative;
    overflow: hidden;
}

/* Sidebar Navigation */
.sidebar {
    width: 280px;
    background: rgba(11, 17, 33, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
    z-index: 99;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-header {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.sidebar-close-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.sidebar-close-btn:hover {
    color: var(--text-main);
}

/* User profile panel inside sidebar */
.sidebar-user-panel {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    background: rgba(255, 255, 255, 0.01);
}

.user-avatar-wrapper {
    position: relative;
}

.user-avatar-initial {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #0ea5e9, #10b981);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 4px 10px rgba(14, 165, 233, 0.3);
}

.user-profile-details {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.profile-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-role-badge {
    font-size: 0.7rem;
    font-weight: 700;
    color: #38bdf8;
    letter-spacing: 0.05em;
    margin-top: 0.15rem;
}

/* Navigation items */
.sidebar-nav-menu {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-section-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #475569;
    padding-left: 0.75rem;
    margin-bottom: 0.5rem;
}

.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: #94a3b8;
    text-decoration: none;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    min-height: 44px; /* DC-01 */
    transition: all 0.2s ease;
}

.sidebar-nav-link svg {
    color: #64748b;
    transition: color 0.2s ease;
}

.sidebar-nav-link:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.04);
}

.sidebar-nav-link:hover svg {
    color: #38bdf8;
}

.sidebar-nav-link.active {
    color: #38bdf8;
    background: rgba(14, 165, 233, 0.08);
    font-weight: 600;
    border-left: 3px solid #0ea5e9;
    border-radius: 0 0.5rem 0.5rem 0;
    padding-left: calc(1rem - 3px);
}

.sidebar-nav-link.active svg {
    color: #38bdf8;
}

.sidebar-footer {
    padding: 1.25rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.sidebar-logout-btn {
    width: 100%;
    background: rgba(244, 63, 94, 0.08) !important;
    border: 1px solid rgba(244, 63, 94, 0.15) !important;
    color: #f43f5e !important;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.sidebar-logout-btn:hover {
    background: #f43f5e !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(244, 63, 94, 0.2) !important;
}

/* Main Workspace */
.main-workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow-y: auto;
}

/* Top bar on Mobile */
.top-bar {
    display: none;
    height: 64px;
    background: rgba(11, 17, 33, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 0 1.5rem;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 90;
}

.mobile-nav-toggle {
    background: transparent;
    border: none;
    color: var(--text-main);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px; /* DC-01 */
    min-width: 44px;  /* DC-01 */
}

.top-bar-title {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    background: linear-gradient(135deg, #38bdf8, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.top-bar-user-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.user-role-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
}

/* Responsive Overrides (DC-02) */
@media (max-width: 1023px) {
    .sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        bottom: 0;
        height: 100vh;
        box-shadow: 25px 0 50px rgba(0, 0, 0, 0.8);
    }

    .sidebar.show {
        left: 0;
    }

    .sidebar-close-btn {
        display: flex;
    }

    .top-bar {
        display: flex;
    }
}

/* Custom Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.3);
}
::-webkit-scrollbar-thumb {
    background: rgba(56, 189, 248, 0.15);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(56, 189, 248, 0.3);
}

/* Lightbox Modal Styles */
.lightbox-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    padding-top: 60px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: lightboxFadeIn 0.3s;
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 85%;
    max-height: 75vh;
    border-radius: 0.75rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: scale(0.95);
    transition: transform 0.3s ease;
    animation: lightboxZoomIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f3f4f6;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.2s;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
}

.lightbox-close:hover {
    color: #38bdf8;
}

.lightbox-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #94a3b8;
    padding: 15px 0;
    font-weight: 500;
    font-size: 0.95rem;
}

@keyframes lightboxFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes lightboxZoomIn {
    from { transform: scale(0.9); }
    to { transform: scale(1); }
}

/* Premium Visual Enhancements */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.glass-card {
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1) !important;
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Staggered load delays for cards on page */
.glass-card:nth-child(1) { animation-delay: 0.05s; }
.glass-card:nth-child(2) { animation-delay: 0.12s; }
.glass-card:nth-child(3) { animation-delay: 0.18s; }
.glass-card:nth-child(4) { animation-delay: 0.24s; }

.sidebar {
    animation: slideInLeft 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.glass-card:hover {
    transform: translateY(-2px);
    border-color: rgba(56, 189, 248, 0.25) !important;
    box-shadow: 
        0 12px 40px 0 rgba(0, 0, 0, 0.3),
        0 0 20px 0 rgba(56, 189, 248, 0.05) !important;
}

.btn {
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.98);
}

.table-premium tr {
    transition: background-color 0.2s ease;
}

.table-premium tr:hover td {
    background: rgba(56, 189, 248, 0.03) !important;
}

.form-control {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.form-control:focus {
    border-color: var(--accent-blue) !important;
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.25) !important;
    background: rgba(15, 23, 42, 0.8) !important;
}

.sidebar-nav-link {
    transition: all 0.25s ease !important;
}

.sidebar-nav-link:hover {
    padding-left: 1.25rem !important;
}

.sidebar-nav-link.active:hover {
    padding-left: calc(1rem - 3px) !important; /* Keep active stable */
}