:root {
    --bg-dark: #07080c;
    --bg-main: #0b0c14;
    --bg-panel: rgba(13, 17, 28, 0.7);
    --bg-panel-solid: #101423;
    --border-gold: rgba(226, 184, 83, 0.12);
    --border-gold-hover: rgba(226, 184, 83, 0.4);
    --border-glow: 0 0 15px rgba(226, 184, 83, 0.08);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #dfb14a;
    --accent-dark: #b98c25;
    --accent-light: #fbe6ab;
    --accent-glow: rgba(226, 184, 83, 0.2);
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.2);
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.25);
    --chat-user-bg: rgba(30, 41, 59, 0.65);
    --chat-system-bg: rgba(15, 23, 42, 0.85);
    --glass-blur: blur(40px);
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --shadow-premium: 0 20px 50px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(226, 184, 83, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-body);
}

/* Beautiful Animated Ambient Background Mesh */
body {
    background: radial-gradient(at 0% 0%, rgba(226, 184, 83, 0.04) 0, transparent 45%),
                radial-gradient(at 100% 0%, rgba(59, 130, 246, 0.08) 0, transparent 50%),
                radial-gradient(at 100% 100%, rgba(226, 184, 83, 0.02) 0, transparent 45%),
                radial-gradient(at 0% 100%, rgba(99, 102, 241, 0.06) 0, transparent 50%),
                var(--bg-dark);
    background-size: 200% 200%;
    animation: meshMovement 25s ease infinite;
    color: var(--text-main);
    overflow: hidden;
    height: 100vh;
}

@keyframes meshMovement {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Scrollbar Customization - Glowing Accent Thread */
::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(212, 175, 55, 0.08);
    border-radius: 10px;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* App Container Layout */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    position: relative;
    padding: 24px;
    gap: 24px;
}

/* Sidebar Navigation - Frosted Glass Card */
.sidebar {
    width: 300px;
    background: var(--bg-panel);
    border: 1px solid var(--border-gold);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    padding: 28px 20px;
    flex-shrink: 0;
    box-shadow: var(--shadow-premium), inset 0 1px 0 rgba(255, 255, 255, 0.03);
    position: relative;
    overflow: hidden;
}

/* Subtle background accent glow in sidebar */
.sidebar::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.12), transparent 70%);
    z-index: 0;
    pointer-events: none;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.brand-logo {
    font-size: 32px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 12px rgba(212, 175, 55, 0.45));
}

.brand-text h1 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, var(--text-main) 0%, #c5a880 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-text span {
    font-size: 9.5px;
    text-transform: uppercase;
    color: var(--accent);
    letter-spacing: 3px;
    font-weight: 700;
    display: block;
    margin-top: 2px;
}

/* New Consultation Button - Premium gold gradient glow */
.new-chat-btn {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.12) 0%, rgba(212, 175, 55, 0.02) 100%);
    border: 1px solid rgba(212, 175, 55, 0.5);
    color: var(--text-main);
    padding: 14px;
    border-radius: 14px;
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.new-chat-btn:hover {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: var(--bg-dark);
    border-color: transparent;
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.35);
    transform: translateY(-2px);
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    background: none;
    border: 1px solid transparent;
    border-radius: 14px;
    color: var(--text-muted);
    font-size: 13.5px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.nav-item:hover {
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.02);
    border-color: rgba(255, 255, 255, 0.03);
}

.nav-item.active {
    color: var(--accent);
    background: linear-gradient(90deg, rgba(212, 175, 55, 0.08) 0%, transparent 100%);
    border-color: rgba(212, 175, 55, 0.25);
    box-shadow: inset 2px 0 0 var(--accent);
}

.nav-item i {
    font-size: 16px;
    width: 20px;
}

/* History Section */
.history-section {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 0;
    position: relative;
    z-index: 1;
}

.history-section h3 {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 2px;
    font-weight: 800;
    padding-left: 8px;
    opacity: 0.7;
}

.history-list {
    list-style: none;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-right: 4px;
}

.history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.02);
    font-size: 13px;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.history-item:hover {
    background-color: rgba(255, 255, 255, 0.03);
    border-color: rgba(212, 175, 55, 0.15);
    color: var(--text-main);
    transform: translateX(2px);
}

.history-item.active {
    background-color: rgba(212, 175, 55, 0.05);
    border-color: rgba(212, 175, 55, 0.3);
    color: var(--accent-light);
    font-weight: 600;
    box-shadow: inset 3px 0 0 var(--accent);
}

.history-item-content {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 85%;
}

.history-item-content span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-item i.fa-file-lines {
    color: var(--accent);
    opacity: 0.85;
}

.history-delete-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    opacity: 0;
    transition: all 0.2s ease;
}

.history-item:hover .history-delete-btn {
    opacity: 0.6;
}

.history-delete-btn:hover {
    color: var(--danger) !important;
    opacity: 1 !important;
    transform: scale(1.1);
}

.sidebar-footer {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    position: relative;
    z-index: 1;
}

.lang-selector-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.lang-selector-container label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.lang-selector-container select {
    background-color: rgba(6, 9, 15, 0.95);
    border: 1px solid var(--border-gold);
    color: var(--text-main);
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13px;
    outline: none;
    cursor: pointer;
    transition: all 0.3s;
}

.lang-selector-container select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.1);
}

/* Main Content Area - Glass Dashboard */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bg-panel);
    border: 1px solid var(--border-gold);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-premium), inset 0 1px 0 rgba(255, 255, 255, 0.03);
    background-image: radial-gradient(circle at 95% 5%, rgba(212, 175, 55, 0.05), transparent 450px);
}

/* Top Header */
.top-header {
    padding: 24px 36px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(8, 11, 17, 0.15);
}

.header-title h2 {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: 0.5px;
}

.header-title p {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 500;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    padding: 8px 16px;
    background-color: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--border-gold);
    border-radius: 30px;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.status-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--success);
    box-shadow: 0 0 10px var(--success);
}

/* Tab Sections */
.tab-content {
    display: none;
    flex-grow: 1;
    padding: 28px 36px 36px 36px;
    overflow-y: auto;
    height: calc(100vh - 120px);
}

.tab-content.active {
    display: flex;
    flex-direction: column;
}

/* TAB 1: CHAT LAYOUT */
.chat-layout {
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: 20px;
    min-height: 0;
}

.chat-messages-container {
    flex-grow: 1;
    overflow-y: auto;
    padding: 10px 4px;
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.message {
    display: flex;
    gap: 18px;
    max-width: 80%;
    animation: fadeInUp 0.45s cubic-bezier(0.165, 0.84, 0.44, 1);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.message.user-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message.system-message {
    align-self: flex-start;
}

.message-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(212, 175, 55, 0.05);
    border: 1px solid var(--border-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 15px;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.message.user-message .message-icon {
    color: var(--bg-dark);
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    border: none;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.message-bubble {
    padding: 20px 24px;
    border-radius: 20px;
    font-size: 14.5px;
    line-height: 1.7;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.message.system-message .message-bubble {
    background-color: var(--chat-system-bg);
    border: 1px solid var(--border-gold);
    color: var(--text-main);
    border-top-left-radius: 4px;
}

.message.user-message .message-bubble {
    background-color: var(--chat-user-bg);
    border: 1px solid rgba(255, 255, 255, 0.03);
    color: var(--text-main);
    border-top-right-radius: 4px;
}

/* Audio Player Button on System Bubbles */
.bubble-controls {
    display: flex;
    justify-content: flex-end;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.audio-play-btn {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    opacity: 0.6;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
    outline: none;
}

.audio-play-btn:hover {
    opacity: 1;
    transform: translateY(-0.5px);
    color: var(--accent-light);
}

.audio-play-btn.speaking {
    color: var(--success);
    animation: speakerPulse 1.2s infinite ease-in-out;
}

@keyframes speakerPulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.03); opacity: 1; }
}

/* Document Upload Inline Badge inside Chat */
.inline-doc-badge {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-gold);
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: inset 0 0 15px rgba(212, 175, 55, 0.02);
}

.inline-doc-badge i {
    font-size: 24px;
    color: var(--accent);
    filter: drop-shadow(0 0 6px var(--accent-glow));
}

.inline-doc-badge div span {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
}

.inline-doc-badge div small {
    font-size: 11px;
    color: var(--text-muted);
}

/* Formatted content within bubbles */
.message-bubble p {
    margin-bottom: 14px;
}

.message-bubble p:last-child {
    margin-bottom: 0;
}

.message-bubble h3 {
    font-size: 18px;
    margin: 24px 0 12px 0;
    color: var(--accent-light);
    font-family: var(--font-heading);
    font-weight: 700;
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
    padding-bottom: 6px;
}

.message-bubble h4 {
    font-size: 15px;
    margin: 16px 0 8px 0;
    color: var(--text-main);
    font-weight: 700;
}

.message-bubble ul, .message-bubble ol {
    margin-left: 22px;
    margin-bottom: 14px;
}

.message-bubble li {
    margin-bottom: 8px;
}

.message-bubble blockquote {
    border-left: 3px solid var(--accent);
    padding: 10px 0 10px 20px;
    margin: 16px 0;
    color: var(--text-muted);
    font-style: italic;
    background-color: rgba(255,255,255,0.015);
    border-radius: 0 12px 12px 0;
}

/* Chat Input Section Overhaul */
.chat-input-area-wrapper {
    position: relative;
    width: 100%;
}

.chat-input-area {
    background-color: rgba(13, 17, 26, 0.85);
    border: 1px solid var(--border-gold);
    border-radius: 20px;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.chat-input-area:focus-within {
    border-color: var(--border-gold-hover);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.05);
}

.chat-tool-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 17px;
    transition: all 0.25s ease;
}

.chat-tool-btn:hover {
    color: var(--accent-light);
    background-color: rgba(255, 255, 255, 0.02);
}

.input-form {
    display: flex;
    flex-grow: 1;
    align-items: center;
    gap: 10px;
}

.chat-input-area textarea {
    flex-grow: 1;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 14.5px;
    outline: none;
    resize: none;
    max-height: 120px;
    padding: 10px 0;
    line-height: 1.5;
}

.send-btn {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: var(--bg-dark);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px var(--accent-glow);
}

/* Mic Recording Status Popup */
.mic-status-popup {
    position: absolute;
    bottom: 78px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(13, 17, 26, 0.95);
    border: 1px solid var(--accent);
    padding: 12px 28px;
    border-radius: 40px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.6);
    z-index: 10;
    backdrop-filter: var(--glass-blur);
    animation: popUp 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popUp {
    from { opacity: 0; transform: translate(-50%, 20px) scale(0.9); }
    to { opacity: 1; transform: translate(-50%, 0) scale(1); }
}

.pulse-ring {
    display: block;
    width: 10px;
    height: 10px;
    background-color: var(--danger);
    border-radius: 50%;
    animation: ringPulse 1.5s infinite ease-out;
}

@keyframes ringPulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 74, 74, 0.8); }
    70% { box-shadow: 0 0 0 12px rgba(255, 74, 74, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 74, 74, 0); }
}

.mic-status-text {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

/* Mic Active Icon Indicator */
.chat-tool-btn.mic-btn.active {
    color: var(--danger);
    background-color: rgba(255, 74, 74, 0.08);
}

/* Quick Suggest Chips */
.quick-suggest-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    margin-top: 18px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.quick-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    background-color: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--border-gold);
    color: var(--text-main);
    padding: 10px 18px;
    border-radius: 30px;
    font-size: 13px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.chip:hover {
    background-color: rgba(212, 175, 55, 0.08);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(212, 175, 55, 0.05);
}

/* TAB 2: DOCUMENT ANALYZER LAYOUT */
.doc-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.upload-section {
    background-color: rgba(255, 255, 255, 0.005);
    border: 1px solid var(--border-gold);
    border-radius: 20px;
    padding: 44px;
    text-align: center;
}

.upload-card {
    border: 1.5px dashed rgba(212, 175, 55, 0.25);
    border-radius: 16px;
    padding: 48px 24px;
    cursor: pointer;
    transition: all 0.35s ease;
}

.upload-card:hover, .upload-card.dragover {
    border-color: var(--accent);
    background-color: rgba(212, 175, 55, 0.015);
    box-shadow: var(--shadow-glow);
}

.upload-icon {
    font-size: 52px;
    color: var(--accent);
    margin-bottom: 18px;
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.upload-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 8px;
}

.upload-card p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.upload-card span {
    font-size: 12px;
    color: var(--accent);
    font-weight: 600;
    opacity: 0.85;
}

.text-or-divider {
    text-align: center;
    margin: 24px 0;
    position: relative;
}

.text-or-divider::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.04);
    z-index: 1;
}

.text-or-divider span {
    background-color: var(--bg-dark);
    padding: 0 20px;
    font-size: 10px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 3px;
    position: relative;
    z-index: 2;
}

.paste-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.paste-section textarea {
    background-color: rgba(255,255,255,0.005);
    border: 1px solid var(--border-gold);
    border-radius: 16px;
    padding: 18px;
    color: var(--text-main);
    font-size: 14px;
    height: 220px;
    outline: none;
    resize: vertical;
    line-height: 1.65;
    transition: border-color 0.3s;
}

.paste-section textarea:focus {
    border-color: var(--accent);
}

.action-btn {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: var(--bg-dark);
    border: none;
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 14.5px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    align-self: center;
    transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

/* Document Results Panel */
.analysis-results-section {
    background-color: rgba(255,255,255,0.015);
    border: 1px solid var(--border-gold);
    border-radius: 20px;
    padding: 36px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    padding-bottom: 18px;
}

.results-doc-info {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    font-weight: 700;
    color: var(--accent-light);
}

.results-doc-info i {
    font-size: 20px;
}

.btn-clear {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.25s;
}

.btn-clear:hover {
    color: var(--text-main);
    border-color: rgba(255,255,255,0.25);
    background-color: rgba(255,255,255,0.01);
}

/* TAB 3: CONSTITUTION HUB */
.hub-container {
    display: flex;
    flex-direction: column;
    gap: 36px;
}

.hub-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.hub-header h2 {
    font-family: var(--font-heading);
    font-size: 36px;
    color: var(--accent);
    margin-bottom: 12px;
    font-weight: 800;
}

.hub-header p {
    color: var(--text-muted);
    font-size: 14.5px;
}

.hub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.hub-card {
    background-color: rgba(255, 255, 255, 0.012);
    border: 1px solid var(--border-gold);
    border-radius: 16px;
    padding: 30px;
    cursor: pointer;
    position: relative;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.hub-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    background-color: rgba(212, 175, 55, 0.015);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    font-size: 22px;
    color: var(--accent);
    margin-bottom: 18px;
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background-color: rgba(212, 175, 55, 0.04);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(212, 175, 55, 0.08);
}

.hub-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-main);
}

.hub-card p {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.65;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(3, 5, 8, 0.9);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader-box {
    text-align: center;
    background-color: var(--bg-panel-solid);
    border: 1px solid var(--border-gold);
    padding: 44px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 22px;
}

.justice-loader {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 44px;
}

.scale-anim {
    animation: rock 2s infinite ease-in-out;
}

@keyframes rock {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(10deg); }
    75% { transform: rotate(-10deg); }
}

.loader-box p {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

/* Responsive Scaling */
@media (max-width: 950px) {
    .app-container {
        flex-direction: column;
        padding: 12px;
        gap: 12px;
        height: auto;
        overflow-y: auto;
    }
    .sidebar {
        width: 100%;
        height: auto;
        padding: 20px;
        border-radius: 16px;
    }
    .brand {
        padding-bottom: 14px;
        margin-bottom: 14px;
    }
    .nav-menu {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 4px;
        margin-bottom: 14px;
    }
    .nav-item {
        white-space: nowrap;
    }
    .history-section {
        display: none;
    }
    .sidebar-footer {
        display: none;
    }
    .main-content {
        height: calc(100vh - 160px);
        border-radius: 16px;
    }
    .tab-content {
        padding: 20px;
        height: calc(100vh - 225px);
    }
}