@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100;300;400;500;700&display=swap');

:root {
    --primary-color: #ffffff;
    --secondary-color: #a855f7;
    --background-color: #050505;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--background-color);
    color: white;
    line-height: 1.5;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background elements */
canvas#canvas3d {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

.atmospheric-grain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none;
    opacity: 0.03;
    filter: contrast(150%) brightness(150%);
    background-image: url('https://grainy-gradients.vercel.app/noise.svg');
}

.container {
    position: relative;
    z-index: 20;
    width: 100%;
    margin: 0 auto;
    padding: 0.5rem 1rem;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    box-sizing: border-box;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.nav-logo {
    font-size: 10px;
    letter-spacing: 0.4em;
    font-weight: 700;
    text-transform: uppercase;
}

.nav-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 8px;
    letter-spacing: 0.2em;
    opacity: 0.5;
}

/* Typography */
header {
    margin: 1.5rem 0;
    text-align: left;
}

.label-mini {
    font-size: 9px;
    letter-spacing: 0.3em;
    font-weight: 700;
    text-transform: uppercase;
    opacity: 0.5;
    margin-bottom: 0.5rem;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 6rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 0.9;
    text-transform: uppercase;
}

h1 .italic {
    font-style: italic;
    font-weight: 300;
    opacity: 0.4;
}

/* Components */
.upload-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    margin: 1rem 0;
    width: 100%;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    border-radius: 8px;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    opacity: 0.8;
    color: var(--secondary-color);
}

/* Custom File Input Styling */
input[type="file"] {
    display: block;
    width: 100%;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s;
}

input[type="file"]::file-selector-button {
    background: rgba(168, 85, 247, 0.15);
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
    padding: 0.5rem 1rem;
    margin-right: 1rem;
    text-transform: uppercase;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: 0.3s;
}

input[type="file"]:hover::file-selector-button {
    background: var(--secondary-color);
    color: white;
}

.btn-launch {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: white;
    color: black;
    text-transform: uppercase;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.btn-launch:hover {
    background: var(--secondary-color);
    color: white;
    letter-spacing: 0.3em;
}

/* Metrics Dashboard */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.metric-item {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.2rem;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: 0 4px 24px -1px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.metric-item:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--secondary-color);
}

.metric-value {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    letter-spacing: -0.05em;
    display: block;
    color: white;
    margin-bottom: 0.2rem;
    line-height: 1;
}

.metric-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.8;
    font-weight: 800;
    margin-bottom: 0.2rem;
    display: block;
}

.metric-note {
    font-size: 11px;
    opacity: 0.4;
    line-height: 1.4;
    margin-top: 0.5rem;
    text-transform: none;
    letter-spacing: 0.02em;
}

.summary-metrics {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.summary-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    flex: 1;
    min-width: 150px;
    text-align: center;
}

.summary-card .val {
    font-size: 2rem;
    font-weight: 900;
    display: block;
    color: var(--secondary-color);
}

.summary-card .lbl {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.6;
}

/* Table */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
    overflow-y: auto;
    max-height: 420px;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--secondary-color) transparent;
    position: relative;
}

/* Smart indicating effect: show more contrast on inner content */
.table-wrapper table {
    position: relative;
    z-index: 1;
}

.table-wrapper::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

.table-wrapper::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 10px;
    box-shadow: 0 0 10px var(--secondary-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

th {
    text-align: left;
    padding: 1rem;
    font-size: 9px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.5;
    border-bottom: 1px solid var(--glass-border);
}

td {
    padding: 1rem;
    font-size: 13px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.badge-oob {
    font-size: 8px;
    padding: 0.15rem 0.4rem;
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
    text-transform: uppercase;
    font-weight: 700;
}

/* Loader Overlay */
#loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.98);
    z-index: 10000;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.loader-container {
    position: relative;
    width: 300px;
    text-align: center;
}

.loader-line {
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.05);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.loader-progress {
    height: 100%;
    width: 0%;
    background: var(--secondary-color);
    box-shadow: 0 0 20px var(--secondary-color);
    transition: width 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);
}

/* Scanning effect */
.loader-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: scan 1.5s infinite;
}

@keyframes scan {
    from {
        left: -100%;
    }

    to {
        left: 200%;
    }
}

.loader-text {
    font-size: 11px;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: white;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.4;
        transform: scale(0.98);
    }

    50% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Confusion Matrix */
.cm-container {
    margin-top: 3rem;
    overflow-x: auto;
}

.cm-table {
    border-collapse: collapse;
    font-size: 11px;
}

.cm-table th,
.cm-table td {
    padding: 0.4rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    min-width: 35px;
    font-size: 10px;
}

.cm-label-row th {
    background: rgba(255, 255, 255, 0.03);
    color: var(--secondary-color);
}

.cm-value {
    font-weight: 700;
    transition: background 0.3s;
}

.cm-match {
    background: rgba(168, 85, 247, 0.2);
    color: white;
}

.cm-dimmed {
    opacity: 0.2;
}

.significance-tag {
    font-size: 9px;
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    margin-left: 8px;
    vertical-align: middle;
    letter-spacing: 0;
    opacity: 0.8;
}

.tooltip-v {
    position: relative;
    cursor: help;
}

.tooltip-v::after {
    content: attr(data-tip);
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 12px;
    background: #111;
    border: 1px solid var(--secondary-color);
    color: white;
    font-size: 10px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: 0.3s;
    z-index: 100;
    letter-spacing: 0.05em;
    text-transform: none;
}

.tooltip-v:hover::after {
    opacity: 1;
    bottom: 140%;
}

/* Responsivity fixes */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    header {
        margin: 2rem 0;
    }

    .upload-card {
        padding: 1.5rem;
    }
}

.animate-up {
    animation: slideUp 0.8s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.img-thumb {
    width: 44px;
    height: 44px;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.img-thumb:hover {
    transform: scale(1.1) rotate(2deg);
    border-color: var(--secondary-color);
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.3);
}

#image-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(15px);
}

#image-modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

#modal-img {
    max-width: 90%;
    max-height: 85%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    color: white;
    font-size: 24px;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.modal-close:hover {
    opacity: 1;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Ultra-Dense Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin: 0.5rem 0;
}

@media (min-width: 1100px) {
    .dashboard-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
}

.dashboard-main {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dashboard-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    height: 100%;
}

/* Compact KPI Row */
.kpi-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.8rem;
}

.kpi-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 1.2rem;
    text-align: center;
    transition: all 0.3s;
}

.kpi-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--secondary-color);
}

.kpi-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 900;
    color: white;
    line-height: 1;
    margin-bottom: 0.3rem;
}

.kpi-label {
    display: block;
    font-size: 9px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.7;
    font-weight: 700;
}

/* Section Labels */
.section-label {
    font-size: 8px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.5;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* Compact Table Section */
.compact-table-section {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1rem;
}

.compact-table-wrapper {
    max-height: 280px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--secondary-color) transparent;
}

.compact-table-wrapper::-webkit-scrollbar {
    width: 3px;
}

.compact-table-wrapper::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 10px;
}

.compact-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
}

.compact-table th {
    text-align: left;
    padding: 0.4rem;
    font-size: 8px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.5;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: sticky;
    top: 0;
    background: rgba(5, 5, 5, 0.95);
}

.compact-table td {
    padding: 0.4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.compact-table .grade-col {
    font-weight: 700;
    color: var(--secondary-color);
}

.compact-table .sup-col {
    opacity: 0.4;
}

/* Compact Confusion Matrix */
.cm-compact {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.cm-compact-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 8px;
    table-layout: auto;
}

.cm-compact-table th,
.cm-compact-table td {
    padding: 0.3rem 0.35rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 8px;
}

.cm-compact-table th {
    font-size: 7px;
    letter-spacing: 0.03em;
    background: rgba(255, 255, 255, 0.02);
    color: var(--secondary-color);
    font-weight: 600;
}

.cm-corner {
    width: 30px;
}

.cm-row-label {
    background: rgba(255, 255, 255, 0.02);
    font-weight: 700;
    color: var(--secondary-color);
}

.cm-cell {
    font-weight: 600;
}

.cm-diag {
    background: rgba(168, 85, 247, 0.15);
    color: white;
}

.cm-zero {
    opacity: 0.2;
}

/* Summary Mini Cards */
.summary-mini {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
}

.summary-mini-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.6rem;
    text-align: center;
}

.summary-mini-label {
    display: block;
    font-size: 7px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.6;
    margin-bottom: 0.2rem;
}

.summary-mini-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--secondary-color);
}

/* Manifest Section (Collapsible) */
.manifest-section {
    margin-top: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0.8rem;
}

.manifest-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.toggle-icon {
    font-size: 10px;
    opacity: 0.5;
    transition: transform 0.3s;
}

.manifest-content {
    transition: all 0.3s;
}

.stone-id-col {
    font-weight: 700;
    color: white;
    font-size: 11px;
}

.result-col {
    font-weight: 700;
    color: var(--secondary-color);
    font-size: 11px;
}

/* Sticky header row in manifest table */
.manifest-content table thead th {
    position: sticky;
    top: 0;
    background: rgba(5, 5, 5, 0.98);
    z-index: 10;
    border-bottom: 2px solid rgba(168, 85, 247, 0.3);
}

.flush-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.btn-flush-data {
    padding: 0.8rem 2rem;
    background: transparent;
    color: #ef4444;
    /* Red color for danger */
    border: 1px solid #ef4444;
    text-transform: uppercase;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.btn-flush-data:hover {
    background: #ef4444;
    color: white;
}

.flush-hint {
    font-size: 9px;
    opacity: 0.4;
    margin-top: 0.8rem;
    letter-spacing: 0.05em;
}

/* Flash Messages */
.flash-container {
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 11000;
    width: auto;
    max-width: 90%;
}

.flash-message {
    background: var(--secondary-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    margin-bottom: 0.5rem;
    transition: opacity 0.5s ease;
    animation: slideDownFlash 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

@keyframes slideDownFlash {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}