/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Updated Brand Palette */
    --bg-primary: #1d546c;      /* Teal Blue - Main Chat Area */
    --bg-secondary: #d3a65b;    /* Gold - Sidebars/Headers */
    --bg-tertiary: #0c2b4e;     /* Deep Navy - Servers Sidebar */
    --bg-hover: #3c3f44;        /* Dark Gray Hover */
    --text-primary: #000000;    /* Black - High Contrast */
    --text-secondary: #72767d;  /* Muted Gray */
    --accent: #f4f4f4;          /* Off-white - Highlights/Text on Dark */
    --accent-hover: #f4f4f4;
    --success: #3ba55d;
    --idle: #faa61a;
    --dnd: #ed4245;
    --offline: #747f8d;
    --border-color: #202225;
    --scrollbar-thumb: #202225;
    --scrollbar-track: #2f3136;
    
    /* Effects & Curves */
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.4);
    --radius-md: 12px;
    --radius-lg: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
    background-color: var(--bg-tertiary);
    color: var(--accent); /* Defaulting body text to light for the dark navy background */
    overflow: hidden;
    height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Transitions */
.server-icon, .nav-link, .dm-item, .message, .btn-primary, .icon-button {
    transition: all 0.3s ease;
}

/* Main Container */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* Servers Sidebar (Deep Navy) */
.servers-sidebar {
    width: 72px;
    background-color: var(--bg-tertiary);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 0;
    gap: 8px;
    border-right: 1px solid var(--border-color);
}

.server-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    color: var(--text-primary); /* Black text on Gold icon */
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: 700;
}

.server-icon:hover, .server-icon.active {
    background-color: var(--accent);
    border-radius: var(--radius-lg);
    color: var(--bg-tertiary);
}

/* Navigation Sidebar (Gold) */
.nav-sidebar {
    width: 240px;
    background-color: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
}

.search-container {
    padding: 10px;
}

.search-input {
    width: 100%;
    padding: 10px;
    background-color: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--accent);
}

.nav-link, .dm-item {
    color: var(--text-primary); /* Black text on Gold sidebar */
    padding: 10px 15px;
    margin: 2px 8px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 500;
}

.nav-link:hover, .dm-item:hover, .nav-link.active {
    background-color: rgba(0, 0, 0, 0.1);
}

/* Main Content (Teal Blue) */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
}

.top-bar {
    height: 52px;
    background-color: var(--bg-secondary); /* Gold Top Bar */
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 20px;
    color: var(--text-primary);
}

.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.message {
    display: flex;
    gap: 15px;
    padding: 10px;
    border-radius: var(--radius-md);
    color: var(--accent); /* Off-white text on Teal background */
}

.message:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.message-author {
    color: var(--bg-secondary); /* Gold names in chat */
    font-weight: 700;
}

/* Input Area */
.message-input-container {
    padding: 20px;
}

.message-input-wrapper {
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 10px 20px;
    display: flex;
    align-items: center;
}

.message-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--accent);
    outline: none;
    font-size: 16px;
}

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

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 10px;
}