/* ===== Destiny 2 Authentic Theme ===== */
/* Muted purple/gray gradient background - No bright blobs */
/* 1px subtle borders - No heavy glow */
/* 11px uppercase gray section titles (h2) */
/* Neue Haas Grotesk Display Pro typography (authentic D2 typeface) */
/* Element colors: arc, solar, void, stasis, strand */
/* Exotic amber accent */
/* Clean, minimal design */

/* ===== Neue Haas Grotesk Display Pro (Destiny 2 Typeface) ===== */

@font-face {
    font-family: 'Neue Haas Grotesk';
    font-weight: 400;
    font-style: normal;
    src: local('Neue Haas Grotesk Display Pro 55 Roman'),
         url('../fonts/NeueHaasDisplayRoman.woff') format('woff');
    font-display: swap;
}

@font-face {
    font-family: 'Neue Haas Grotesk';
    font-weight: 400;
    font-style: italic;
    src: local('Neue Haas Grotesk Display Pro 56 Roman Italic'),
         url('../fonts/NeueHaasDisplayRomanItalic.woff') format('woff');
    font-display: swap;
}

@font-face {
    font-family: 'Neue Haas Grotesk';
    font-weight: 500;
    font-style: normal;
    src: local('Neue Haas Grotesk Display Pro 65 Medium'),
         url('../fonts/NeueHaasDisplayMediu.woff') format('woff');
    font-display: swap;
}

@font-face {
    font-family: 'Neue Haas Grotesk';
    font-weight: 700;
    font-style: normal;
    src: local('Neue Haas Grotesk Display Pro 75 Bold'),
         url('../fonts/NeueHaasDisplayBold.woff') format('woff');
    font-display: swap;
}

/* ===== Glassmorphism Theme ===== */

:root {
    /* New warm palette */
    --amber: #ceae33;
    --amber-light: #f5d061;
    --amber-dark: #9c8228;
    --rose: #f43f5e;
    --emerald: #10b981;

    /* Glass effects */
    --glass-bg: rgba(0,0,0,0.4);
    --glass-border: rgba(255,255,255,0.08);
    --glass-hover: rgba(0,0,0,0.5);

    /* Text — D2 authentic palette */
    --text-primary: #ffffff;
    --text-secondary: #b6bbb7;
    --text-muted: rgba(182,187,183,0.5);
    --text-warm: #fcedd3;

    /* Sizing */
    --radius: 2px;
    --radius-sm: 2px;
    --transition: 0.15s ease;

    /* Legacy aliases (used by JS-generated inline styles) */
    --accent: #ceae33;
    --accent-hover: #f5d061;
    --success: #10b981;
    --success-text: #10b981;
    --warning: #f43f5e;
    --warning-text: #f43f5e;
    --border: rgba(255,255,255,0.1);
    --bg-primary: rgba(0,0,0,0.2);
    --bg-secondary: var(--glass-bg);
    --bg-tertiary: rgba(255,255,255,0.03);

    /* Class colors */
    --titan: #f07020;
    --hunter: #44bd32;
    --warlock: #8e44ad;
}

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

body {
    font-family: 'Neue Haas Grotesk', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #16161f 0%, #0d0d15 50%, #16161f 100%);
    color: #b6bbb7;
    min-height: 100vh;
    overflow-x: hidden;
    overscroll-behavior: none;
    line-height: 1.5;
    letter-spacing: 0.01rem;
}

/* ===== Glass Utility ===== */
.glass {
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
}

/* ===== App Layout ===== */
.app {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 48px; /* space for fixed top-bar */
}

body.auth-required .app {
    pointer-events: none;
    user-select: none;
    filter: saturate(0.5) brightness(0.8);
}

/* ===== Top Bar ===== */
.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 28px;
    background: rgba(15, 12, 20, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

.top-bar.hidden {
    transform: translateY(-100%);
    pointer-events: none;
}

.top-bar .logo {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--amber);
}

.top-bar-info {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.top-bar-meta {
    white-space: nowrap;
}

.auth-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 2px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    font-size: 13px;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.auth-pill:hover {
    border-color: var(--amber);
    background: rgba(255,255,255,0.08);
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--rose);
    flex-shrink: 0;
}

.status-dot.authenticated {
    background: var(--emerald);
    box-shadow: 0 0 6px var(--emerald);
}

/* ===== Content Area ===== */
.content {
    flex: 1;
    padding: 20px 28px 40px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* ===== Section Visibility (JS-coupled) ===== */
.section {
    display: none;
    animation: sectionIn 0.4s ease forwards;
}

.section.active {
    display: block;
}

@keyframes sectionIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===== Cards ===== */
.card {
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

.card h2 {
    font-size: 11px;
    margin-bottom: 15px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* ===== Stats Grid ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--amber);
    line-height: 1.1;
}

.stat-card .label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* ===== Filter Section ===== */
.filter-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.filter-group h3 {
    font-size: 0.95rem;
    margin-bottom: 10px;
    color: var(--amber);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}

/* ===== Duplicate Groups ===== */
.duplicates-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
}

.duplicates-column {
    min-width: 0;
}

.duplicates-column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding: 8px 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.duplicates-column-count {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
}

.duplicates-column-empty {
    padding: 14px 12px;
    border: 1px dashed var(--surface-border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    background: rgba(255,255,255,0.02);
}

.duplicate-group {
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
}

.group-header {
    padding: 16px 20px;
    cursor: pointer;
    border-bottom: 1px solid var(--glass-border);
    transition: background var(--transition);
}

.group-header:hover {
    background: var(--glass-hover);
}

.group-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.group-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.group-count {
    padding: 3px 10px;
    border-radius: 2px;
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(245,158,11,0.2);
    color: var(--amber);
}

.group-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.group-tag {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    padding: 4px 10px;
    border-radius: 2px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.group-tag.class-Titan  { border-left: 3px solid var(--titan); }
.group-tag.class-Hunter { border-left: 3px solid var(--hunter); }
.group-tag.class-Warlock { border-left: 3px solid var(--warlock); }
.group-tag.tuning       { border-left: 3px solid var(--amber); }

.group-items {
    padding: 12px 20px 16px;
}

/* ===== Item Rows ===== */
.item-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) minmax(180px, 220px) auto;
    align-items: center;
    gap: 15px;
    padding: 12px 15px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.item-row.weapon-row {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
}

.item-row:hover {
    transform: translateY(-1px);
    background: rgba(255,255,255,0.06);
    border-color: var(--glass-border);
}

.item-row.selected {
    border-color: var(--emerald);
    background: rgba(16,185,129,0.1);
}

.item-row.selected::before {
    content: '\2713  KEEP';
    position: absolute;
    top: 8px;
    right: 52px;
    background: var(--emerald);
    color: white;
    padding: 2px 8px;
    border-radius: 2px;
    font-size: 0.7rem;
    font-weight: 600;
    pointer-events: none;
}

.item-row.locked {
    opacity: 0.8;
}

.item-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    overflow: hidden;
    flex-shrink: 0;
}

.item-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 2px;
}

.item-info {
    min-width: 0;
}

.item-name {
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.item-details {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    gap: 8px;
    align-items: center;
}

.item-location {
    background: rgba(255,255,255,0.04);
    padding: 2px 8px;
    border-radius: 2px;
    font-size: 0.75rem;
}

.item-trait-perks {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.trait-col {
    line-height: 1.3;
}

.trait-col-label {
    color: var(--amber);
    font-weight: 600;
    margin-right: 4px;
}

.perk-coverage-summary {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid var(--surface-border);
}

.perk-combo-count {
    color: var(--text-muted);
    font-style: italic;
    margin-left: 4px;
}

.item-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    font-size: 0.8rem;
    min-width: 0;
    width: 100%;
}

.item-row.weapon-row .item-stats {
    display: flex;
    gap: 6px;
    width: auto;
    justify-content: flex-end;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255,255,255,0.04);
    min-width: 0;
    padding: 4px 6px;
    border-radius: 2px;
}

.item-row.weapon-row .stat {
    flex-direction: row;
    align-items: center;
    gap: 6px;
    max-width: 90px;
    padding: 4px 6px;
}

.stat-name {
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    width: 100%;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.item-row.weapon-row .stat-name {
    width: auto;
    max-width: 56px;
    font-size: 0.58rem;
    letter-spacing: 0.3px;
}

.stat-value {
    font-weight: 700;
    font-size: 1rem;
    color: var(--amber);
}

.item-row.weapon-row .stat-value {
    font-size: 0.9rem;
}

.lock-indicator {
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 2px;
    transition: all var(--transition);
    user-select: none;
}

.lock-indicator:hover {
    background: rgba(255,255,255,0.06);
    transform: scale(1.1);
}

.lock-indicator.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* ===== Duplicates Actions ===== */
.duplicates-actions {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--glass-border);
}

.selection-summary {
    margin-bottom: 15px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.selection-summary span {
    font-weight: 600;
    color: var(--amber);
}

.card-description {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.card-description span {
    font-weight: 600;
    color: var(--text-primary);
}

.lock-status {
    margin-top: 15px;
    padding: 10px 15px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.lock-status.success {
    background: rgba(16,185,129,0.15);
    border: 1px solid rgba(16,185,129,0.3);
    color: var(--emerald);
}

.lock-status.error {
    background: rgba(244,63,94,0.15);
    border: 1px solid rgba(244,63,94,0.3);
    color: var(--rose);
}

/* ===== Actions & Buttons ===== */
.actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.btn {
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.btn-primary {
    background: var(--amber);
    color: #000;
}

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

.btn-success {
    background: var(--emerald);
    color: #000;
}

.btn-success:hover {
    background: var(--emerald);
}

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

.btn-secondary {
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--glass-hover);
    border-color: var(--amber);
}

.btn-secondary.is-active {
    background: rgba(245, 158, 11, 0.14);
    border-color: var(--amber);
    color: var(--amber);
}

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

.btn-warning:hover {
    opacity: 0.9;
}

/* ===== Utility ===== */
.hidden {
    display: none !important;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 15px 20px;
    background: rgba(26,26,46,0.9);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
    display: none;
    z-index: 1001;
    max-width: 400px;
}

.toast.show {
    display: block;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}

.toast.success { border-color: var(--emerald); background: rgba(16,185,129,0.15); color: var(--emerald); }
.toast.error   { border-color: var(--rose); background: rgba(244,63,94,0.15); color: var(--rose); }

/* ===== Class Colors ===== */
.class-Titan   { color: var(--titan); }
.class-Hunter  { color: var(--hunter); }
.class-Warlock { color: var(--warlock); }

/* ===== Loading Overlay ===== */
.loading-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(26,26,46,0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-overlay.active {
    display: flex;
}

.loading-content {
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--amber);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.progress-container {
    width: 80%;
    max-width: 400px;
    margin: 15px auto 0;
}

.progress-bar {
    height: 6px;
    background: rgba(255,255,255,0.08);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 10px;
}

.progress-fill {
    height: 100%;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--amber-dark), var(--amber));
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    text-align: center;
    margin-top: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* ===== Auth Modal ===== */
.auth-modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(26,26,46,0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1001;
}

.auth-modal.active {
    display: flex;
}

.auth-box {
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 30px;
    max-width: 500px;
    text-align: center;
}

.auth-box h2 {
    margin-bottom: 15px;
    color: var(--amber);
}

.auth-box p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.auth-box .btn {
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 5px;
}

#auth-open-btn {
    min-width: 260px;
}

.auth-url {
    background: rgba(255,255,255,0.03);
    padding: 10px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    word-break: break-all;
    margin: 15px 0;
    border: 1px solid var(--glass-border);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ===== Responsive ===== */
@media (max-width: 980px) {
    .duplicates-columns { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .top-bar { padding: 10px 16px; }
    .top-bar-info { display: none; }
    .content { padding: 16px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .item-row { grid-template-columns: auto 1fr auto; }
    .item-stats { display: none; }
}