:root {
    --bg-dark: #0b0e14;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --accent-blue: #00C1CA;
    --accent-green: #00CE6F;
    --accent-red: #F62617;
    --text-primary: #e2e8f0;
    --text-dim: #94a3b8;
    --tomato-red: 			#F62617;
	--ruby-red: 			#DF2F44;
	--candy-pink:			#DE349B;
	--salmon-pink:			#EF7A63;
	--fire-orange:			#F3560F;
	--banana-yellow:		#FCDC4D;
	--mustard-yellow: 		#EB9C03;
	--acid-yellow: 			#EDF231;
	--cloth-beige: 			#F1EBE5;
	--mushroom-brown: 		#B8998B;
	--choc-brown: 			#8F5F24;	
	--leaf-green: 			#00CE6F;
	--moss-green:			#006248;
	--mold-green:			#58AF76;
	--baby-blue:  			#008BE5;
	--aqua-blue:  			#005972;
	--ice-blue: 			#83DEE8;
	--sky-blue: 			#00C1CA;
	--iris-blue: 			#182287;
	--lavender-blue: 		#2B4FB8;
	--roman-purple: 		#A61EDD;
	--ash-grey:				#292B2B;
	--smoke-grey:			#CCCCCC;	
	--cloud-grey:			#999999;	
	--tomato-red-fade: 		#F45145;
	--ruby-red-fade: 		#E15766;
	--candy-pink-fade:		#E05CAD;
	--salmon-pink-fade:		#F19A87;
	--fire-orange-fade:		#ED7C43;
	--banana-yellow-fade:	#FECD40;
	--mustard-yellow-fade: 	#EAB238;
	--acid-yellow-fade: 	#DAE030;
	--cloth-beige-fade: 	#E0D4C6;
	--mushroom-brown-fade: 	#B8AFAB;
	--choc-brown-fade: 		#90724C;	
	--leaf-green-fade: 		#47B382;
	--moss-green-fade:		#117D62;
	--mold-green-fade:		#94AF9E;
	--baby-blue-fade:  		#00A2FF;
	--aqua-blue-fade:  		#10718B;
	--ice-blue-fade: 		#BDE3E8;
	--sky-blue-fade: 		#1DABB2;
	--iris-blue-fade: 		#333A89;
	--lavender-blue-fade: 	#4A66BB;
	--roman-purple-fade: 	#B340E0;
	--ash-grey-fade:		#3F4241;
	--smoke-grey-fade:		#EEEEEE;
	--cloud-grey-fade:		#BBBBBB;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Roboto, sans-serif;
    background: radial-gradient(circle at center, #1e293b 0%, #0b0e14 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow: auto;
}

/* ===== MAIN LAYOUT ===== */
.app-wrapper {
    display: flex;
    flex-direction: row;
    height: 100vh;
    gap: 16px;
    padding: 16px;
    box-sizing: border-box;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0; /* Important for flex child to shrink properly */
    overflow: hidden;
    position: relative;
}

/* Video section fills available space and scrolls internally */
#videoSection {
    flex: 1 1 0;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
}

#videoGrid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 12px;
    align-content: start;
}

.video-wrapper {
    position: relative;
    background: #161b22;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    aspect-ratio: 16/9;
}

.video-wrapper video,
.video-wrapper canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vid-label {
    position: absolute;
    bottom: 10px;
    left: 10px;
    background: rgba(0,0,0,0.65);
    backdrop-filter: blur(8px);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    z-index: 10;
    color: white;
}

#webcam { display: none; }

/* ===== RIGHT SIDEBAR (RESIZABLE) ===== */
.sidebar-wrapper {
    resize: horizontal;
    direction: rtl; /* Puts the resize handle on the left corner (bottom-left) */
    overflow: hidden;
    min-width: 440px; /* Increased to support wider horizontal layout */
    max-width: 700px; /* Don't allow it to take over the whole screen */
    width: 440px; /* Default width */
    flex-shrink: 0;
    border-radius: 16px;
    /* Hide scrollbar of wrapper if any */
}

.sidebar-glass {
    direction: ltr; /* Reset content direction */
    background: #11141c;
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.sidebar-inner {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.sidebar-inner::-webkit-scrollbar {
    width: 6px;
}
.sidebar-inner::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 3px;
}

/* Top Banner */
.top-banner {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 16px;
}

.banner-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.banner-left {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.logo-icon {
    margin-top: 2px;
    color: var(--accent-blue);
    flex-shrink: 0;
}

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

.app-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1;
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
    flex-shrink: 0;
}

.status-dot-sm {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-blue);
    margin-right: 6px;
    flex-shrink: 0;
}

.node-id {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: 4px;
}

.status-indicator {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--glass-border);
    text-transform: uppercase;
}

.status-indicator.online {
    background: rgba(0, 206, 111, 0.15);
    border-color: rgba(0, 206, 111, 0.3);
    color: var(--accent-green);
}

.peer-list {
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Join Section */
.room-join {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.input-group {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0 12px;
    transition: border-color 0.2s;
    min-width: 0; /* Flex shrink protection */
}

.input-group:focus-within {
    border-color: var(--accent-blue);
}

.input-icon {
    color: var(--text-dim);
    margin-right: 8px;
    flex-shrink: 0;
}

.input-group input {
    flex: 1;
    min-width: 0; /* Flex shrink protection */
    background: transparent;
    border: none;
    padding: 12px 0;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
}

.join-row {
    display: flex;
    gap: 10px;
}
.join-row .input-group {
    flex: 1;
}

.btn-primary {
    background: rgba(0, 193, 202, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--accent-blue);
    border-radius: 8px;
    padding: 0 20px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    white-space: nowrap;
    flex-shrink: 0;
}
.btn-primary:hover {
    background: rgba(0, 193, 202, 0.15);
    box-shadow: 0 0 10px rgba(0, 193, 202, 0.1);
}
.btn-primary svg {
    color: var(--accent-blue);
}

/* Advanced Section */
.collapsible {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.btn-manual {
    background: transparent;
    border: none;
    color: var(--text-dim);
    padding: 8px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    gap: 6px;
    width: fit-content;
}
.btn-manual:hover {
    color: var(--text-primary);
}
.btn-manual svg {
    transition: transform 0.2s;
}

.manual-section {
    padding-top: 12px;
}
.manual-section > * + * {
    margin-top: 16px;
}

.signalling-box {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.signalling-box textarea {
    width: 100%;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 12px;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-family: monospace;
    min-height: 80px;
    resize: vertical;
    outline: none;
    box-sizing: border-box;
}

.signalling-box textarea:focus {
    border-color: var(--accent-blue);
}

/* Mesh Modes */
.mesh-mode-row {
    display: flex;
    gap: 10px;
}
.btn-mesh-mode {
    flex: 1;
    min-width: 0;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 12px 10px;
    color: var(--text-dim);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    text-align: left;
}
.btn-mesh-mode svg {
    color: var(--text-dim);
    flex-shrink: 0;
}
.mode-text {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.mode-text small {
    font-size: 0.7rem;
    opacity: 0.7;
    margin-top: 2px;
}
.btn-mesh-mode:hover {
    background: rgba(255,255,255,0.08);
}
#joinRelayBtn {
    border-color: var(--accent-green);
    color: var(--text-primary);
    background: rgba(0, 206, 111, 0.05);
}
#joinRelayBtn svg {
    color: var(--accent-green);
}
#joinMeshBtn2 {
    border-color: var(--accent-blue);
    color: var(--text-primary);
    background: rgba(0, 193, 202, 0.05);
}
#joinMeshBtn2 svg {
    color: var(--accent-blue);
}
.btn-mesh-mode:active {
    transform: scale(0.98);
    opacity: 0.8;
}

.info-text {
    font-size: 0.8rem;
    color: var(--text-dim);
    display: flex;
    align-items: center;
}

.token-actions {
    display: flex;
    gap: 16px;
}
.btn-outline {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
    white-space: nowrap;
}
.btn-outline:hover {
    background: rgba(255,255,255,0.05);
}
.token-actions .btn-primary {
    flex: 1.2;
    padding: 12px;
    font-size: 0.9rem;
}

/* Meters Panel */
.meters-panel {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    background: rgba(0,0,0,0.2);
    border-radius: 12px;
    padding: 16px 12px;
    border: 1px solid var(--glass-border);
}
.meter-item {
    display: flex;
    align-items: center;
    gap: 10px;
}
.meter-icon {
    color: var(--text-dim);
    flex-shrink: 0;
}
.meter-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}
.meter-value-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}
.meter-label {
    font-size: 0.75rem;
    color: var(--text-dim);
}
.meter-divider {
    width: 1px;
    height: 32px;
    background: var(--glass-border);
}

/* Effect Controls */
.effect-controls {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 16px;
}

.ctrl-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
}
.ctrl-group {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.ctrl-group select {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: 6px;
    outline: none;
    font-size: 0.85rem;
    max-width: 130px;
}
.ctrl-group select:focus {
    border-color: var(--accent-blue);
}

.ctrl-group.range-wrap {
    flex: 1;
    justify-content: flex-end;
    min-width: 120px;
}

.ctrl-group input[type="range"] {
    width: 100%;
    max-width: 80px;
    min-width: 40px; /* robust shrinking */
    accent-color: var(--accent-blue);
    margin: 0;
    cursor: pointer;
    opacity: 0.9;
    transition: opacity 0.2s;
}
.ctrl-group input[type="range"]:hover {
    opacity: 1;
}

.val-badge {
    font-size: 0.85rem;
    color: var(--text-primary);
    min-width: 18px; /* keeps alignment stable as numbers change */
    text-align: right;
}

.effect-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-top: 4px;
}
.effect-btn, .effect-btn-sm {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    color: var(--text-dim);
    padding: 8px;
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
    white-space: nowrap;
}
.effect-btn-sm {
    padding: 6px 12px;
}
.effect-btn:hover, .effect-btn-sm:hover {
    background: rgba(255,255,255,0.1);
    color: var(--text-primary);
}
.effect-btn.active, .effect-btn-sm.active {
    background: rgba(0, 193, 202, 0.1);
    border-color: var(--accent-blue);
    color: var(--text-primary);
}
.effect-btn.active svg, .effect-btn-sm.active svg {
    color: var(--accent-blue);
}

/* Chat & Files Group */
.chat-wrapper {
    display: flex;
    flex-direction: column;
    flex: 1; /* allow it to grow in the sidebar */
    min-height: 250px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
}

.sidebar-tabs {
    display: flex;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(0,0,0,0.2);
}
.sidebar-tabs .tab {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-dim);
    padding: 12px 0;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.sidebar-tabs .tab:hover {
    color: var(--text-primary);
}
.sidebar-tabs .tab.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

.chat-wrapper .scroll-area {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}
.chat-wrapper .scroll-area::-webkit-scrollbar {
    width: 6px;
}
.chat-wrapper .scroll-area::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 3px;
}

#chatbox {
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.4;
}
.msg {
    margin-bottom: 8px;
    line-height: 1.4;
}

.chat-input-area {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid var(--glass-border);
    background: rgba(0,0,0,0.2);
}
.chat-input-area input {
    flex: 1;
    min-width: 0;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 0.85rem;
    outline: none;
}
.chat-input-area input:focus {
    border-color: var(--accent-blue);
}

.icon-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-dim);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}
.icon-btn:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
}

.icon-btn-primary {
    background: rgba(0, 193, 202, 0.1);
    border: 1px solid var(--accent-blue);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}
.icon-btn-primary:hover:not(:disabled) {
    background: rgba(0, 193, 202, 0.2);
}
.icon-btn-primary svg {
    color: var(--accent-blue);
}
.icon-btn-primary:disabled, .icon-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* File Transfer Section */
.file-section {
    display: none;
}
.file-item {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.file-item span {
    flex-grow: 1;
    font-size: 0.85rem;
}
.download-btn {
    background: transparent;
    padding: 6px;
    border-radius: 6px;
    border: none;
    color: var(--accent-blue);
    cursor: pointer;
}
.progress-bar-container {
    background: rgba(0,0,0,0.3);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    margin: 10px 0;
}
.progress-bar {
    background: var(--accent-blue);
    height: 100%;
    width: 0%;
    transition: width 0.3s;
}

/* Bottom Stack / Controls Dock */
#bottomStack {
    display: flex;
    justify-content: center;
    padding: 0 20px 20px 20px;
    background: transparent;
}
.controls-dock {
    flex: 1;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 0;
    justify-content: space-around;
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}
.ctrl-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.ctrl-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: white;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.ctrl-btn svg {
    color: inherit;
}
.ctrl-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}
.ctrl-btn.active {
    background: var(--accent-blue);
    color: var(--bg-dark);
}
.end-call {
    background: rgba(246, 38, 23, 0.1);
    border-color: rgba(246, 38, 23, 0.3);
    color: var(--accent-red);
}
.end-call:hover {
    background: var(--accent-red);
    color: white;
}
.btn-on {
    background: rgba(0, 206, 111, 0.1);
    border-color: rgba(0, 206, 111, 0.3);
    color: var(--accent-green);
}
.btn-on:hover {
    background: var(--accent-green);
    color: white;
}
.btn-off {
    background: rgba(255, 255, 255, 0.05);
}
.ctrl-label {
    font-size: 0.65rem;
    color: var(--text-dim);
    letter-spacing: 0.03em;
    user-select: none;
}

/* ===== DRAG & DROP ===== */
#drop-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(91, 108, 249, 0.2);
    backdrop-filter: blur(10px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent-blue);
    border: 4px dashed var(--accent-blue);
}

@media (max-width: 900px) {
    .app-wrapper {
        flex-direction: column;
        height: auto;
        min-height: unset;
    }

    .main-content {
        width: 100%;
        max-width: none;
        resize: none;
        min-height: 400px; /* give it some height */
    }

    #videoSection {
        overflow: visible;
        max-height: none;
        height: auto;
    }

    .sidebar-wrapper {
        width: 100%;
        max-width: none;
        min-width: 0;
        height: auto;
        flex: none;
        resize: none;
    }
}

@media (max-width: 640px) {
    .app-wrapper {
        padding: 10px;
        gap: 10px;
    }

    body { font-size: 1.05rem; }
    .app-title { font-size: 1.25rem; }

    .input-group input, textarea {
        font-size: 1rem;
        padding: 12px 0;
    }
    textarea { padding: 12px; }

    .btn-primary { font-size: 1rem; padding: 12px 18px; }
    .tab { font-size: 1rem; }
    #chatbox { font-size: 0.95rem; }
    .vid-label { font-size: 0.95rem; }
    .status-indicator { font-size: 0.85rem; }
    .node-id { font-size: 0.85rem; }
    .ctrl-label { font-size: 0.72rem; }
    .ctrl-btn { width: 44px; height: 44px; font-size: 1.1rem; }
    .meters-panel { font-size: 0.82rem; padding: 10px; gap: 8px; }
    .effect-controls { font-size: 0.9rem; }
    .effect-btn, .effect-btn-sm { font-size: 0.88rem; padding: 6px 10px; }
    .ctrl-group select { font-size: 0.95rem; }
    .peer-list { font-size: 0.9rem; }
    .file-item span { font-size: 0.92rem; }
}