/*
 * ERROR-404: Chat Stylesheet
 * Phase 3 - NULL Speaks
 * 3-column desktop layout | Mobile with toggle
 */

/* ============================================
   Stream Page Layout - 3 Column Desktop
   ============================================ */

.stream-page {
    display: grid;
    grid-template-columns: 380px 1fr 300px;
    grid-template-rows: 1fr;
    grid-template-areas: "null stream chat";
    gap: var(--space-sm);
    padding: var(--space-sm);
    height: 100%;
    width: 100%;
    overflow: hidden;
}

/* Explicit grid placement */
.null-panel {
    grid-area: null;
}

.broadcast-container {
    grid-area: stream;
}

.chat-container {
    grid-area: chat;
}

/* Hide mobile controls on desktop */
.mobile-chat-controls {
    display: none !important;
}

/* ============================================
   NULL Panel (Left Column)
   ============================================ */

.null-panel {
    display: flex;
    flex-direction: column;
    background: rgba(20, 0, 0, 0.8);
    border: 1px solid #441111;
    position: relative;
    overflow: hidden;
    min-height: 0;
}

/* Red glow border effect */
.null-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        #661111 20%,
        #ff4444 50%,
        #661111 80%,
        transparent 100%
    );
    animation: null-scan-line 4s linear infinite;
}

@keyframes null-scan-line {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.panel-header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid #441111;
    flex-shrink: 0;
}

.panel-title {
    font-family: var(--font-system);
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    color: #ff4444;
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
    animation: null-title-pulse 3s infinite;
}

@keyframes null-title-pulse {
    0%, 100% {
        opacity: 0.8;
        text-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
    }
    50% {
        opacity: 1;
        text-shadow: 0 0 20px rgba(255, 0, 0, 0.8), 0 0 30px rgba(255, 0, 0, 0.4);
    }
}

/* ============================================
   Repair Modules Section (Phase 4)
   ============================================ */

.repair-modules {
    flex-shrink: 0;
    padding: var(--space-sm);
    border-bottom: 1px solid #331111;
    background: rgba(30, 0, 0, 0.5);
}

.modules-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.modules-title {
    font-size: 0.7rem;
    color: #ff6666;
    letter-spacing: 0.1em;
    font-family: var(--font-system);
}

.total-repair {
    font-size: 0.85rem;
    color: #ff4444;
    font-family: var(--font-system);
    text-shadow: 0 0 8px rgba(255, 0, 0, 0.5);
}

.modules-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.module-item {
    background: rgba(0, 0, 0, 0.3);
    border-left: 2px solid #661111;
    padding: 6px 8px;
    transition: all 0.3s ease;
}

.module-item.repaired {
    border-left-color: #44aa44;
    background: rgba(0, 50, 0, 0.3);
}

.module-item.loading {
    border-left-color: #444;
}

.module-item .module-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.module-item .module-name {
    font-size: 0.7rem;
    color: #aa6666;
    letter-spacing: 0.05em;
    font-family: var(--font-system);
}

.module-item .module-name.critical {
    color: #ff4444;
    animation: module-critical-pulse 1s infinite;
}

.module-item .module-name.warning {
    color: #ffaa44;
}

@keyframes module-critical-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.module-item .module-percent {
    font-size: 0.65rem;
    color: #884444;
    font-family: var(--font-mono);
}

.module-item.repaired .module-percent {
    color: #44aa44;
}

.module-bar {
    height: 4px;
    background: #220000;
    position: relative;
    overflow: hidden;
    margin-bottom: 2px;
}

.module-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #661111, #aa3333);
    transition: width 0.5s ease;
    position: relative;
}

.module-bar-fill.critical {
    background: linear-gradient(90deg, #440000, #ff2222);
    animation: bar-critical-flicker 0.5s infinite;
}

.module-bar-fill.warning {
    background: linear-gradient(90deg, #664400, #ffaa00);
}

.module-item.repaired .module-bar-fill {
    background: linear-gradient(90deg, #226622, #44aa44);
}

@keyframes bar-critical-flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.module-bar-decay {
    position: absolute;
    top: 0;
    right: 0;
    width: 20%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.5));
    pointer-events: none;
}

.module-points {
    font-size: 0.6rem;
    color: #553333;
    font-family: var(--font-mono);
    display: flex;
    gap: 2px;
}

.module-item.repaired .module-points {
    color: #338833;
}

.null-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    min-height: 0;
}

/* Custom scrollbar for NULL panel */
.null-messages::-webkit-scrollbar {
    width: 4px;
}

.null-messages::-webkit-scrollbar-track {
    background: #1a0000;
}

.null-messages::-webkit-scrollbar-thumb {
    background: #661111;
    border-radius: 2px;
}

.null-messages::-webkit-scrollbar-thumb:hover {
    background: #882222;
}

/* NULL messages in the panel */
.null-panel .null-message {
    background: rgba(255, 0, 0, 0.05);
    border-left: 2px solid #aa3333;
    padding: var(--space-xs) var(--space-sm);
    margin: 0;
    font-size: 0.8rem;
}

.null-panel .null-message .system-component {
    font-size: 0.65rem;
    color: #558888;
    display: inline;
    margin-right: var(--space-xs);
}

.null-panel .null-message .message-speaker {
    font-size: 0.75rem;
    display: inline;
    margin-bottom: 2px;
}

.null-panel .null-message .message-content {
    font-size: 0.8rem;
    line-height: 1.3;
}

.null-panel .null-message .message-time {
    font-size: 0.65rem;
    color: #663333;
    display: block;
    text-align: right;
    margin-top: 4px;
}

/* ============================================
   Broadcast Container (Center Column)
   ============================================ */

.broadcast-container {
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
    position: relative;
}

.noise-fullscreen {
    flex: 1;
    min-height: 0;
    position: relative;
}

.stream-container {
    flex: 1;
    min-height: 0;
}

.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: var(--crt-panel);
    border: 1px solid var(--phosphor-dark);
    border-top: none;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.signal-status {
    color: var(--warning-red);
    letter-spacing: 0.2em;
    animation: pulse-red 1.5s infinite;
}

/* ============================================
   Chat Container (Right Column)
   ============================================ */

.chat-container {
    display: flex;
    flex-direction: column;
    background: var(--crt-panel);
    border: 1px solid var(--phosphor-dark);
    min-height: 0;
    position: relative;
    overflow: hidden;
}

/* Glitchy top border effect */
.chat-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--phosphor-dim) 20%,
        var(--phosphor-green) 50%,
        var(--phosphor-dim) 80%,
        transparent 100%
    );
    animation: scan-line 3s linear infinite;
}

@keyframes scan-line {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ============================================
   Chat Header
   ============================================ */

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--crt-border);
    flex-shrink: 0;
}

.chat-title {
    font-family: var(--font-system);
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    color: var(--phosphor-dim);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
}

.status-text {
    color: var(--phosphor-dim);
}

/* ============================================
   User Stats
   ============================================ */

.user-stats {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: rgba(0, 255, 65, 0.03);
    border-bottom: 1px solid var(--crt-border);
    font-size: 0.7rem;
    flex-shrink: 0;
}

.stat-label {
    color: var(--phosphor-dark);
    letter-spacing: 0.1em;
}

.stat-value {
    color: var(--phosphor-green);
    font-family: var(--font-system);
}

.stat-separator {
    color: var(--crt-border);
    margin: 0 var(--space-xs);
}

#repair-points {
    transition: text-shadow var(--transition-fast);
}

#repair-points.glow {
    text-shadow: 0 0 10px var(--phosphor-glow), 0 0 20px var(--phosphor-glow);
}

/* ============================================
   Chat Messages
   ============================================ */

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    min-height: 0;
}

/* Custom scrollbar */
.chat-messages::-webkit-scrollbar {
    width: 4px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--crt-dark);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--phosphor-dark);
    border-radius: 2px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--phosphor-dim);
}

/* System Messages */
.system-message {
    text-align: center;
    padding: var(--space-xs) 0;
}

.system-message .message-content {
    font-size: 0.75rem;
    color: var(--phosphor-dark);
    font-style: italic;
}

/* Chat Messages */
.chat-message {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 0, 0, 0.3);
    border-left: 2px solid var(--phosphor-dark);
    animation: message-appear 0.3s ease-out;
    font-size: 0.85rem;
}

@keyframes message-appear {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.chat-message.own-message {
    border-left-color: var(--phosphor-dim);
    background: rgba(0, 255, 65, 0.05);
}

.message-user {
    font-family: var(--font-system);
    font-size: 0.75rem;
    color: var(--phosphor-dim);
    margin-right: var(--space-sm);
}

.message-user::after {
    content: ':';
}

.own-message .message-user {
    color: var(--phosphor-green);
}

.message-content {
    flex: 1;
    font-size: 0.85rem;
    color: var(--phosphor-green);
    word-break: break-word;
}

.message-time {
    font-size: 0.65rem;
    color: var(--phosphor-dark);
    margin-left: auto;
    align-self: flex-end;
}

/* Message glitch effect */
.chat-message.glitch-text {
    animation: message-glitch 0.2s infinite;
}

@keyframes message-glitch {
    0%, 100% {
        transform: translateX(0);
        border-left-color: var(--phosphor-dark);
    }
    25% {
        transform: translateX(-2px);
        border-left-color: var(--warning-red);
    }
    50% {
        transform: translateX(1px);
        border-left-color: var(--info-cyan);
    }
    75% {
        transform: translateX(-1px);
        border-left-color: var(--phosphor-green);
    }
}

/* ============================================
   Chat Input
   ============================================ */

.chat-input {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-sm);
    border-top: 1px solid var(--crt-border);
    flex-shrink: 0;
}

.chat-input input {
    flex: 1;
    background: var(--crt-dark);
    border: 1px solid var(--phosphor-dark);
    color: var(--phosphor-green);
    padding: var(--space-xs) var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.chat-input input:focus {
    outline: none;
    border-color: var(--phosphor-dim);
    box-shadow: 0 0 10px var(--phosphor-subtle);
}

.chat-input input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.chat-input input::placeholder {
    color: var(--phosphor-dark);
    font-style: italic;
}

.chat-input button {
    padding: var(--space-xs) var(--space-md);
    background: transparent;
    border: 1px solid var(--phosphor-green);
    color: var(--phosphor-green);
    font-family: var(--font-system);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-input button:hover:not(:disabled) {
    background: var(--phosphor-subtle);
    box-shadow: 0 0 10px var(--phosphor-glow);
}

.chat-input button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: var(--phosphor-dark);
    color: var(--phosphor-dark);
}

/* ============================================
   NULL Messages Styling
   ============================================ */

.null-message {
    background: rgba(255, 0, 0, 0.08);
    border-left: 2px solid #ff4444;
    padding: var(--space-xs) var(--space-sm);
    margin: 0;
    font-family: 'Courier New', monospace;
    animation: null-message-appear 0.5s ease-out;
}

@keyframes null-message-appear {
    0% {
        opacity: 0;
        transform: translateX(-20px) skewX(-2deg);
        filter: blur(2px);
    }
    50% {
        opacity: 0.8;
        transform: translateX(5px) skewX(1deg);
    }
    100% {
        opacity: 1;
        transform: translateX(0) skewX(0);
        filter: blur(0);
    }
}

.null-message .system-component {
    color: #669999;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    margin-right: var(--space-xs);
    opacity: 0.8;
    font-weight: normal;
}

.null-message .message-speaker {
    color: #ff4444;
    font-weight: bold;
    text-shadow: 0 0 10px #ff0000, 0 0 20px #ff0000;
    margin-right: var(--space-sm);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
}

.null-message .message-content {
    color: #ff6666;
    font-style: italic;
    animation: null-text-flicker 3s infinite;
}

@keyframes null-text-flicker {
    0%, 95%, 100% {
        opacity: 1;
        text-shadow: 0 0 5px rgba(255, 0, 0, 0.5);
    }
    96% {
        opacity: 0.7;
        text-shadow: 0 0 15px rgba(255, 0, 0, 0.8);
    }
    97% {
        opacity: 0.9;
    }
    98% {
        opacity: 0.6;
        text-shadow: 0 0 20px rgba(255, 0, 0, 1);
    }
}

/* Glitch effect on NULL messages */
.null-message:hover {
    animation: null-glitch 0.3s infinite;
}

@keyframes null-glitch {
    0%, 100% {
        transform: translateX(0);
        filter: hue-rotate(0deg);
    }
    20% {
        transform: translateX(-2px);
        filter: hue-rotate(10deg);
    }
    40% {
        transform: translateX(2px);
        filter: hue-rotate(-10deg);
    }
    60% {
        transform: translateX(-1px);
    }
    80% {
        transform: translateX(1px);
    }
}

/* Heavy glitch variant */
.null-message.heavy-glitch {
    animation: null-heavy-glitch 0.5s infinite;
}

@keyframes null-heavy-glitch {
    0%, 100% {
        transform: translateX(0) skewX(0);
        clip-path: inset(0 0 0 0);
    }
    10% {
        transform: translateX(-5px) skewX(-1deg);
        clip-path: inset(10% 0 20% 0);
    }
    20% {
        transform: translateX(3px) skewX(0.5deg);
        clip-path: inset(30% 0 10% 0);
    }
    30% {
        transform: translateX(-2px);
        clip-path: inset(0 0 0 0);
    }
    50% {
        transform: translateX(4px) skewX(-0.5deg);
        clip-path: inset(5% 0 40% 0);
    }
    70% {
        transform: translateX(-3px);
        clip-path: inset(20% 0 5% 0);
    }
}

/* ============================================
   MOBILE LAYOUT (<=900px)
   Stream on top, chat below with toggle
   ============================================ */

@media (max-width: 900px) {
    .stream-page {
        grid-template-columns: 1fr;
        grid-template-rows: 40% 1fr auto;
        grid-template-areas:
            "stream"
            "panel"
            "controls";
        gap: 0;
        padding: 0;
    }

    /* Stream takes top */
    .broadcast-container {
        grid-area: stream;
        border-bottom: 1px solid var(--phosphor-dark);
    }

    /* NULL panel - shown/hidden via toggle */
    .null-panel {
        grid-area: panel;
        border: none;
        border-bottom: 1px solid #441111;
    }

    .null-panel.mobile-hidden {
        display: none;
    }

    /* Chat panel - shown/hidden via toggle */
    .chat-container {
        grid-area: panel;
        border: none;
    }

    .chat-container.mobile-hidden {
        display: none;
    }

    /* Mobile controls - show on mobile */
    .mobile-chat-controls {
        display: flex !important;
        flex-direction: column;
        grid-area: controls;
        background: var(--crt-black);
        border-top: 1px solid var(--phosphor-dark);
    }

    /* Last NULL message - always visible sticky bar */
    .last-null-message {
        display: flex;
        align-items: center;
        gap: var(--space-sm);
        padding: var(--space-xs) var(--space-sm);
        background: rgba(20, 0, 0, 0.95);
        border-bottom: 1px solid #441111;
        font-size: 0.75rem;
        min-height: 32px;
        overflow: hidden;
    }

    .last-null-message .null-label {
        color: #ff4444;
        font-weight: bold;
        text-shadow: 0 0 8px rgba(255, 0, 0, 0.5);
        flex-shrink: 0;
    }

    .last-null-message .null-content {
        color: #ff6666;
        font-style: italic;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        flex: 1;
    }

    /* Toggle buttons */
    .chat-toggle {
        display: flex;
        gap: 0;
    }

    .toggle-btn {
        flex: 1;
        padding: var(--space-sm);
        background: var(--crt-panel);
        border: none;
        border-top: 2px solid transparent;
        color: var(--phosphor-dark);
        font-family: var(--font-system);
        font-size: 0.8rem;
        letter-spacing: 0.1em;
        cursor: pointer;
        transition: all var(--transition-fast);
    }

    .toggle-btn:first-child {
        border-right: 1px solid var(--crt-border);
    }

    .toggle-btn.active {
        background: var(--crt-dark);
        color: var(--phosphor-green);
        border-top-color: var(--phosphor-green);
    }

    .toggle-btn#toggle-null.active {
        color: #ff4444;
        border-top-color: #ff4444;
    }

    .toggle-btn:hover:not(.active) {
        background: rgba(0, 255, 65, 0.05);
        color: var(--phosphor-dim);
    }

    /* Smaller elements on mobile */
    .panel-header,
    .chat-header {
        padding: var(--space-xs) var(--space-sm);
    }

    .panel-title,
    .chat-title {
        font-size: 0.75rem;
    }

    .user-stats {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.65rem;
    }

    .chat-input {
        padding: var(--space-xs);
    }

    .chat-input input {
        font-size: 16px; /* Prevent zoom on iOS */
    }

    /* Repair modules - smaller on mobile */
    .repair-modules {
        padding: var(--space-xs);
    }

    .modules-title {
        font-size: 0.6rem;
    }

    .total-repair {
        font-size: 0.75rem;
    }

    .module-item {
        padding: 4px 6px;
    }

    .module-item .module-name {
        font-size: 0.6rem;
    }

    .module-item .module-percent {
        font-size: 0.55rem;
    }

    .module-points {
        font-size: 0.5rem;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .stream-page {
        grid-template-rows: 35% 1fr auto;
    }

    .connection-status .status-text {
        display: none;
    }

    .user-stats .stat-separator,
    .user-stats .stat-label {
        display: none;
    }
}

/* Very short screens - landscape phones */
@media (max-height: 500px) {
    .stream-page {
        grid-template-rows: 45% 1fr auto;
    }

    .last-null-message {
        min-height: 28px;
        padding: 2px var(--space-sm);
    }
}

/* ============================================
   Desktop: Ensure proper display
   ============================================ */

@media (min-width: 901px) {
    /* Mobile toggle classes have no effect on desktop */
    .null-panel.mobile-hidden,
    .null-panel.mobile-active,
    .chat-container.mobile-hidden,
    .chat-container.mobile-active {
        display: flex !important;
    }
}