/* ========== BASE STYLES ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #181818;
    --bg-secondary: #1f1f1f;
    --bg-tertiary: #2a2a2a;
    --bg-hover: #333333;
    --bg-input: #555;
    --border-primary: #ffffff;
    --border-secondary: #444444;
    --border-tertiary: #888;
    --color-accent: cyan;
    --color-accent-alt: aqua;
    --font-main: 'Courier New', monospace;
    --panel-width: 250px;
    --transition-speed: 0.3s;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--color-accent);
    height: 100vh;
    overflow: hidden;
    font-size: 14pt;
}

/* ========== LAYOUT ========== */
.container {
    display: flex;
    height: 100vh;
    border: 1px solid var(--border-primary);
}

/* ========== LEFT PANEL ========== */
#left-panel {
    width: var(--panel-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-secondary);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-speed) ease;
}

#left-panel.hidden {
    width: 0;
    min-width: 0;
    overflow: hidden;
    border-right: none;
}

.left-panel-header {
    height: 50px;
    padding: 10px;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-secondary);
    font-weight: bold;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ========== USER LIST ========== */
.user-list {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.user-item {
    padding: 8px;
    margin: 2px 0;
    background-color: var(--bg-tertiary);
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: all var(--transition-speed);
    font-size: 14px;
}

.user-item:hover {
    background-color: var(--bg-hover);
    border-left-color: var(--color-accent);
}

/* ========== RIGHT PANEL ========== */
#right-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
    min-width: 0;
}

.right-panel-header {
    padding: 10px;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-secondary);
    font-weight: bold;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    /* NE zsugorodjon */
}

/* ========== CHAT INTERFACE ========== */
#chat_interface {
    display: flex;
    flex-direction: column;
    flex: 1;
    /* Kitölti a rendelkezésre álló helyet */
    min-height: 0;
    /* KRITIKUS! Lehetővé teszi a flex item zsugorodását */
}

#message-list {
    flex: 1;
    /* Elfoglalja a maradék helyet */
    overflow-y: auto;
    /* Görgethető */
    padding: 10px;
    min-height: 0;
    /* KRITIKUS! Lehetővé teszi a flex item zsugorodását */
}

#chat-form {
    padding: 5px;
    display: flex;
    flex-shrink: 0;
    /* NE zsugorodjon */
    border-top: 1px solid var(--border-tertiary);
}

#chat-input {
    flex: 1;
    padding: 5px;
    font-size: 20pt;
    color: var(--color-accent-alt);
    background-color: transparent;
    border: 1px solid var(--border-tertiary);
    border-radius: 5px;
}

/* ========== BUTTONS ========== */
.join-btn,
#reconnect-btn,
.toggle-btn,
#send-btn {
    background: var(--bg-input);
    border: 1px solid var(--border-tertiary);
    color: var(--color-accent);
    font-size: 18px;
    cursor: pointer;
    padding: 5px 15px;
    border-radius: 5px;
    transition: all var(--transition-speed);
    font-family: var(--font-main);
}

.join-btn:hover,
#reconnect-btn:hover,
.toggle-btn:hover,
#send-btn:hover {
    background-color: var(--bg-hover);
    border-color: var(--color-accent);
}

#send-btn {
    margin-left: 5px;
    font-size: 20pt;
}

/* ========== Login Panel ========== */
.login-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #1f1f1f;
    border: 1px solid #ffffff;
    padding: 30px;
    z-index: 1000;
    border-radius: 5px;
    min-width: 300px;
}

.login-panel h2 {
    margin-bottom: 20px;
    text-align: center;
}

.input-container {
    display: flex;
    gap: 10px;
}

.name-input {
    flex: 1;
    padding: 5px;
    font-size: 20pt;
    color: var(--color-accent-alt);
    background-color: transparent;
    border: 1px solid var(--border-tertiary);
    border-radius: 5px;
}

/* ========== Status Indicators ====== */

.left-panel-header:has(.online) {
    background-color: #00ff0050;
}

.left-panel-header:has(.offline) {
    background-color: #ff000050;
}

/* ========== MESSAGE ITEMS ========== */

/* Általános üzenet stílus */
.message-item {
    padding: 5px 10px;
    margin: 5px 0;
    word-wrap: break-word;
    border-left: 3px solid transparent;
}

/* SYSTEM üzenetek - szürke/fehér, középre igazított */
.msg-system {
    color: #33ff00;
    font-style: italic;
    text-align: center;
}

.message-item:has(.msg-system) {
    border-left-color: #33ff00;
}

/* PUBLIC üzenetek - alapértelmezett cyan */
.msg-public {
    color: var(--color-accent);
}

.message-item:has(.msg-public) {
    border-left-color: transparent;
    border-left: 3px solid var(--color-accent);
}

/* PRIVATE üzenetek - lila/magenta, kiemelve */
.msg-private {
    color: #ff00ff;
    /* magenta */
    background-color: rgba(255, 0, 255, 0.1);
}

.message-item:has(.msg-private) {
    border-left-color: #ff00ff;
}

/* COMMAND üzenetek - sárga/narancs, fontos */
.msg-command {
    color: #ffa500;
    /* narancs */
    font-weight: bold;
}

.message-item:has(.msg-command) {
    border-left-color: #ffa500;
}

/* ERROR üzenetek */
.msg-error {
    color: #ff0040;
    /* narancs */
    font-weight: bold;
}

.message-item:has(.msg-error) {
    border-left-color: #ff0040;
}

.hidden {
    display: none;
}