/*
 * Poornimites Chat - Styles
 * Four-column layout with independent scrolling
 */

/* CSS Variables - Blue/White Theme */
:root {
    --header-height: 60px;

    /* Backgrounds */
    --bg-side: #e8f4ff;
    --bg-side-2: #f5faff;
    --bg-main: #ffffff;
    --surface: #f5faff;
    --surface-hover: #e8f4ff;

    /* Text */
    --text-primary: #003366;
    --text-secondary: #004080;
    --text-muted: #6b9dc9;

    /* Accent */
    --accent: #0066cc;
    --accent-hover: #0052a3;
    --accent-light: rgba(0, 102, 204, 0.1);

    /* Borders */
    --border: #d0e4f7;
    --border-light: #e8f4ff;

    /* Status Colors */
    --status-online: #388e3c;
    --status-idle: #f57c00;
    --status-dnd: #d32f2f;
    --status-offline: #9e9e9e;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;

    /* Font */
    --font-family: "Segoe UI", sans-serif;
}

/* App Shell - Four Column Layout */
.app-shell {
    display: flex;
    height: calc(100vh - var(--header-height));
    overflow: hidden;
    min-width: 0;
}

/* Servers Column */
.servers-col {
    width: 88px;
    background-color: var(--bg-side);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-sm);
    overflow-y: auto;
    border-right: 1px solid var(--border);
}

.server-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--bg-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: bold;
    font-size: 18px;
    color: var(--text-primary);
    border: 2px solid var(--border);
    position: relative;
}

.server-icon:hover {
    border-radius: 16px;
    background-color: var(--accent);
    color: white;
    transform: translateY(-2px);
}

.server-icon.active {
    border-radius: 16px;
    background-color: var(--accent);
    color: white;
}

.server-separator {
    width: 40px;
    height: 2px;
    background-color: var(--border);
    margin: var(--spacing-sm) 0;
}

.add-server-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 28px;
    color: var(--accent);
    border: 2px dashed var(--border);
}

.add-server-btn:hover {
    border-radius: 16px;
    background-color: var(--accent-light);
    border-style: solid;
}

/* Channels Column */
.channels-col {
    width: 260px;
    background-color: var(--bg-side-2);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
}

.channels-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    font-weight: bold;
    font-size: 16px;
    color: var(--text-primary);
    background-color: var(--bg-main);
}

.channels-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-sm);
    -webkit-overflow-scrolling: touch;
}

.channel-category {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: var(--spacing-md);
}

.channel-category:first-child {
    margin-top: 0;
}

.channel-item {
    padding: var(--spacing-sm) var(--spacing-md);
    margin: 2px 0;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    transition: background-color 0.15s ease;
    font-size: 15px;
}

.channel-item:hover {
    background-color: var(--surface-hover);
}

.channel-item:focus {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

.channel-item[aria-current="true"] {
    background-color: var(--accent-light);
    color: var(--accent);
    font-weight: 600;
}

.channel-hash {
    color: var(--text-muted);
    font-size: 18px;
}

.channel-item[aria-current="true"] .channel-hash {
    color: var(--accent);
}

.add-channel-btn {
    margin: var(--spacing-sm) var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: var(--surface);
    border: 2px dashed var(--border);
    border-radius: 8px;
    cursor: pointer;
    text-align: center;
    color: var(--accent);
    font-weight: 600;
    transition: all 0.2s ease;
}

.add-channel-btn:hover {
    background-color: var(--accent-light);
    border-style: solid;
}

/* Main Column (Messages) */
.main-col {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-main);
}

.channel-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background-color: var(--bg-main);
}

.channel-header-name {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.channel-header-hash {
    color: var(--accent);
    font-size: 24px;
}

.channel-topic {
    color: var(--text-muted);
    font-size: 14px;
    margin-left: auto;
}

.messages-wrap {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-lg);
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

.message-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    position: relative;
}

.message-item:hover {
    background-color: var(--surface);
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 2px solid var(--border);
}

.message-content {
    flex: 1;
    min-width: 0;
}

.message-header {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.message-author {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 15px;
}

.message-timestamp {
    font-size: 12px;
    color: var(--text-muted);
}

.message-edited {
    font-size: 10px;
    color: var(--text-muted);
}

.message-text {
    color: var(--text-primary);
    line-height: 1.5;
    word-wrap: break-word;
    white-space: pre-wrap;
}

.new-messages-badge {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 20px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
    font-weight: 600;
    font-size: 14px;
    z-index: 10;
    display: none;
}

.new-messages-badge.show {
    display: block;
}

.message-input {
    padding: var(--spacing-lg);
    background-color: var(--bg-main);
    border-top: 1px solid var(--border);
}

.message-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-md);
    background-color: var(--surface);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: var(--spacing-md);
    transition: border-color 0.2s ease;
}

.message-input-wrapper:focus-within {
    border-color: var(--accent);
}

.attach-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--bg-main);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--accent);
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

.attach-btn:hover {
    background-color: var(--accent-light);
}

.message-textarea {
    flex: 1;
    border: none;
    background: transparent;
    resize: none;
    font-family: var(--font-family);
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 24px;
    max-height: 96px;
    overflow-y: auto;
}

.message-textarea:focus {
    outline: none;
}

.message-textarea::placeholder {
    color: var(--text-muted);
}

.send-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

.send-btn:hover {
    background-color: var(--accent-hover);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Members Column */
.members-col {
    width: 280px;
    background-color: var(--bg-side-2);
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border);
}

.members-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    font-weight: bold;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--text-muted);
    background-color: var(--bg-main);
}

.members-search {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

.members-search input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border);
    border-radius: 8px;
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 14px;
}

.members-search input:focus {
    outline: none;
    border-color: var(--accent);
}

.members-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-sm);
    -webkit-overflow-scrolling: touch;
}

.member-category {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: var(--spacing-md);
}

.member-category:first-child {
    margin-top: 0;
}

.member-item {
    padding: var(--spacing-sm) var(--spacing-md);
    margin: 2px 0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.member-item:hover {
    background-color: var(--surface-hover);
}

.member-avatar-wrap {
    position: relative;
    flex-shrink: 0;
}

.member-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--border);
}

.member-status {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--bg-side-2);
}

.member-status.online {
    background-color: var(--status-online);
}

.member-status.idle {
    background-color: var(--status-idle);
}

.member-status.dnd {
    background-color: var(--status-dnd);
}

.member-status.offline {
    background-color: var(--status-offline);
}

.member-info {
    flex: 1;
    min-width: 0;
}

.member-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.member-role {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background-color: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1200px) {
    .members-col {
        display: none;
    }
}

@media (max-width: 768px) {
    .servers-col {
        width: 64px;
    }

    .channels-col {
        width: 200px;
    }
}