/* --- FIX: @import must be the first rule in the file --- */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;700&display=swap');

/* --- GLOBAL & HACKER THEME RESET --- */
:root {
  --matrix-green: #00ff00;
  --dark-bg: #0d0d0d;
  --term-bg: #1a1a1a;
  --term-fg: #f0f0f0;
  --accent-cyan: #00ffff;
  --accent-purple: #9d00ff;
  --border-color: rgba(0, 255, 0, 0.25);
  --shadow-color: rgba(0, 255, 0, 0.5);
  --font-mono: 'Fira Code', 'Courier New', Courier, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--dark-bg);
  color: var(--term-fg);
  font-family: var(--font-mono);
  font-size: 16px;
  text-shadow: 0 0 2px var(--dark-bg);
}

/* SCANLINE OVERLAY */
body::after {
  content: " ";
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
  background-size: 100% 4px, 100% 100%;
  z-index: 9999;
  pointer-events: none;
  animation: scanlines 2s infinite linear;
}

::selection {
  background: var(--matrix-green);
  color: var(--dark-bg);
  text-shadow: none;
}

/* --- LOADING SCREEN --- */
.loading-screen {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--dark-bg); display: flex;
  align-items: center; justify-content: center; z-index: 10000;
}
.loading-logo {
  font-family: var(--font-mono); font-size: 2rem; font-weight: 700;
  color: var(--matrix-green); text-shadow: 0 0 10px var(--shadow-color);
  animation: blink-caret 1.5s step-end infinite;
}

/* --- LOGIN CONTAINER & FORM --- */
.login-container, .admin-login-container {
  max-width: 500px; margin: 8% auto;
  border: 1px solid var(--border-color); padding: 2rem;
  background: #000; box-shadow: 0 0 20px rgba(0, 255, 0, 0.1);
  animation: fadeIn 1s;
  display: block;
}
.login-title-wrapper { text-align: center; margin-bottom: 2rem; }
.login-title {
  color: var(--matrix-green); text-shadow: 0 0 8px var(--shadow-color);
  font-size: 2.2rem; letter-spacing: 2px; font-weight: 700; margin: 0;
  position: relative;
}
.login-subtitle { color: var(--term-fg); font-size: 1rem; margin-top: 5px; }
.form-group { margin-bottom: 1.5rem; display: flex; align-items: center; gap: 10px; }
label { color: var(--matrix-green); font-size: 1rem; flex-shrink: 0; }
input[type="text"], input[type="email"], input[type="password"] {
  width: 100%; background: transparent; border: none;
  border-bottom: 1px solid var(--border-color); color: var(--term-fg);
  font-family: var(--font-mono); font-size: 1rem; padding: 8px 0;
}
input[type="text"]:focus, input[type="email"]:focus, input[type="password"]:focus {
  outline: none; border-bottom: 1px solid var(--matrix-green);
  box-shadow: 0 5px 10px -5px var(--shadow-color);
}
.login-button {
  width: 100%; padding: 12px; background: var(--dark-bg);
  border: 1px solid var(--matrix-green); color: var(--matrix-green);
  font-family: var(--font-mono); font-size: 1.1rem; font-weight: 700;
  cursor: pointer; transition: all 0.3s ease; text-transform: uppercase;
  margin-top: 1rem;
}
.login-button:hover {
  background: var(--matrix-green); color: var(--dark-bg);
  box-shadow: 0 0 25px var(--shadow-color); text-shadow: none;
}
.login-button.secondary-button {
    background: transparent;
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}
.login-button.secondary-button:hover {
    background: var(--accent-cyan);
    color: var(--dark-bg);
    box-shadow: 0 0 25px var(--accent-cyan);
}
.verification-text {
    line-height: 1.6;
    color: var(--term-fg);
    margin: 1.5rem 0;
    text-align: center;
}
.form-toggle-link {
    text-align: center;
    margin-top: 1.5rem;
    color: #aaa;
}
.form-toggle-link a {
    color: var(--accent-cyan);
    text-decoration: none;
    cursor: pointer;
}
.form-toggle-link a:hover { text-decoration: underline; }

/* NEW: Style for the container holding links on the login form */
.form-links {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
    font-size: 0.9rem;
}
.form-links a {
    color: var(--accent-cyan);
    text-decoration: none;
}
.form-links a:hover {
    text-decoration: underline;
}

.login-footer {
  margin-top: 2rem; border-top: 1px solid var(--border-color);
  padding-top: 1rem; display: flex; justify-content: space-between;
  color: #aaa; font-size: 0.9rem;
}
.login-footer .status-ok { color: var(--matrix-green); font-weight: bold; }
.login-footer a { color: var(--accent-cyan); text-decoration: none; }
.login-footer a:hover { text-decoration: underline; filter: brightness(1.2); }

/* --- MAIN CHAT LAYOUT --- */
.chat-container {
  display: none;
  flex-direction: column; max-width: 1200px;
  height: 95vh; margin: 2.5vh auto; border: 1px solid var(--border-color);
  background: var(--term-bg);
  overflow: hidden;
}
.chat-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px; border-bottom: 1px solid var(--border-color);
  background-color: var(--dark-bg); flex-shrink: 0;
}
.chat-logo-wrapper { display: flex; align-items: baseline; gap: 15px; }
.chat-logo { color: var(--matrix-green); font-size: 1.2rem; font-weight: 700; position: relative; }
.current-user-display {
    color: var(--accent-cyan); opacity: 0;
    animation: fadeIn 0.5s 0.5s forwards;
}
.logout-btn { background: none; border: 1px solid var(--matrix-green); color: var(--matrix-green); padding: 5px 10px; cursor: pointer; transition: all 0.2s; }
.logout-btn:hover { background: var(--matrix-green); color: #000; box-shadow: 0 0 10px var(--shadow-color); }
.chat-columns { display: flex; height: 100%; overflow: hidden; }

/* --- SIDEBAR & CHANNEL LIST --- */
.sidebar {
  width: 280px; background: var(--dark-bg); padding: 15px;
  border-right: 1px solid var(--border-color); display: flex;
  flex-direction: column; flex-shrink: 0; overflow-y: auto;
}
.sidebar-header { color: var(--matrix-green); margin-bottom: 10px; font-weight: 700; }
.group-btn {
    width: 100%; padding: 8px; background: transparent;
    border: 1px solid var(--matrix-green); color: var(--matrix-green);
    font-family: var(--font-mono); cursor: pointer; margin-bottom: 15px; transition: all 0.2s;
}
.group-btn:hover { background: var(--matrix-green); color: #000; box-shadow: 0 0 10px var(--shadow-color); }
.channel-list { list-style: none; }
.channel-list li {
    padding: 10px; cursor: pointer; transition: all 0.2s;
    display: flex; justify-content: space-between; align-items: center;
    border: 1px solid transparent;
}
.channel-list li:hover { background-color: rgba(0,255,0,0.1); border: 1px solid var(--border-color); }
.channel-list li.active { background-color: var(--matrix-green); }
.channel-list li.active .name { color: var(--dark-bg) !important; text-shadow: none;}
.channel-list li .name { color: var(--term-fg); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.online-indicator {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--matrix-green); margin-right: 10px;
    box-shadow: 0 0 5px var(--matrix-green); flex-shrink: 0;
}
.offline-indicator { background: #555; box-shadow: none; width: 8px; height: 8px; border-radius: 50%; margin-right: 10px; flex-shrink: 0;}
.channel-list li.active .online-indicator, .channel-list li.active .offline-indicator { background-color: var(--dark-bg); box-shadow: none;}
.unread-indicator {
    height: 20px; min-width: 20px; font-size: 0.8rem; line-height: 20px; padding: 0 5px;
    background-color: var(--accent-purple); color: var(--term-fg);
    border-radius: 50%; text-align: center; font-weight: bold;
    box-shadow: 0 0 8px var(--accent-purple);
}
li.fallback-msg { color: #888; text-align: center; padding: 10px; cursor: default; }

/* --- CHAT MAIN & WINDOW --- */
.chat-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.chat-receiver-wrapper { border-bottom: 1px solid var(--border-color); padding: 12px 20px; }
.chat-receiver { font-size: 1.1rem; color: var(--matrix-green); font-weight: 700; animation: blink-text 2s infinite;}
.chat-window { flex: 1; overflow-y: auto; padding: 20px; position: relative; }

.chat-message { display: flex; margin-bottom: 15px; position: relative; z-index: 1; animation: message-entry 0.5s ease-out; }
.chat-message.me { flex-direction: row-reverse; animation-name: message-entry-me; }
.chat-bubble { max-width: 70%; padding: 10px 15px; word-break: break-word; }
.chat-message:not(.me) .chat-bubble { background: rgba(0,255,0,0.05); border-left: 2px solid var(--matrix-green); }
.chat-message.me .chat-bubble { background: rgba(0,255,255,0.05); border-right: 2px solid var(--accent-cyan); text-align: right; }
.msg-meta { font-size: 0.8rem; color: #888; margin-top: 5px; }
.from-user { color: var(--matrix-green); }
.me-user { color: var(--accent-cyan); }
.msg-status { font-size: 0.8em; color: #bbb; display: inline-block; transform: translateY(-3px); }
.msg-status.delivered { color: var(--matrix-green); }
.msg-status.seen { color: var(--accent-purple); }
.typing-indicator { display: none; padding: 5px 15px; font-style: italic; color: var(--accent-cyan); animation: blink-text 1.5s infinite; }

/* --- MESSAGE INPUT FORM --- */
.message-form { display: flex; padding: 15px 20px; background-color: var(--dark-bg); border-top: 1px solid var(--border-color); }
.message-prompt { color: var(--matrix-green); font-size: 1.2rem; font-weight: 700; margin-right: 10px; }
#messageInput { flex: 1; background: transparent; border: none; color: var(--term-fg); font-size: 1.1rem; font-family: var(--font-mono); }
#messageInput:focus { outline: none; }
.message-form button { background: none; border: 1px solid var(--matrix-green); color: var(--matrix-green); padding: 8px 15px; cursor: pointer; transition: all 0.2s; font-family: var(--font-mono); }
.message-form button:hover { background: var(--matrix-green); color: var(--dark-bg); box-shadow: 0 0 10px var(--shadow-color); }

/* --- CREATE GROUP MODAL --- */
.modal { position: fixed; z-index: 1000; left: 0; top: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.8); display: none; align-items: center; justify-content: center; backdrop-filter: blur(5px); }
.modal-content { background: var(--dark-bg); border: 1px solid var(--border-color); padding: 2rem; max-width: 500px; width: 90%; position: relative; box-shadow: 0 0 25px rgba(0, 255, 0, 0.2); }
.modal-content h2 { color: var(--matrix-green); margin-bottom: 1.5rem; position: relative;}
.modal-subheader { color: var(--matrix-green); margin: 1rem 0 0.5rem; font-size: 0.9rem; }
.modal .close { position: absolute; top: 10px; right: 20px; font-size: 2.5rem; color: var(--matrix-green); cursor: pointer; text-shadow: none; transition: transform 0.2s; }
.modal .close:hover { transform: rotate(90deg); }
#groupMembersSelect { max-height: 150px; overflow-y: auto; padding: 10px; border: 1px solid var(--border-color); }
#groupMembersSelect label { display: block; margin-bottom: 8px; cursor: pointer; }
#groupMembersSelect input { margin-right: 10px; accent-color: var(--matrix-green); }
.modal-content button { margin-top: 1.5rem; width: 100%; padding: 12px; }

/* --- ANIMATIONS & EFFECTS --- */
.fade-in-delay {
    opacity: 0;
    animation: fadeIn 0.8s 1.5s forwards;
}
.text-typewriter {
  display: inline-block; overflow: hidden;
  white-space: nowrap; border-right: 3px solid var(--matrix-green);
  width: 0;
  animation: typewriter 1.5s steps(30, end) forwards, blink-caret-writer .75s step-end infinite;
}
.glitch { position: relative; text-shadow: 0 0 5px var(--shadow-color); animation: glitch-skew 1s infinite linear alternate-reverse; }
.glitch::before, .glitch::after { content: attr(data-text); position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: inherit; overflow: hidden; }
.glitch::before { left: 2px; text-shadow: -2px 0 var(--accent-purple); animation: glitch-anim-1 2s infinite linear alternate-reverse; }
.glitch::after { left: -2px; text-shadow: -2px 0 var(--accent-cyan), 2px 2px var(--accent-purple); animation: glitch-anim-2 3s infinite linear alternate-reverse; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes blink-caret-writer { from, to { border-color: transparent } 50% { border-color: var(--matrix-green); } }
@keyframes blink-caret { from, to { text-shadow: 0 0 10px var(--shadow-color); color: var(--matrix-green);} 50% { text-shadow: none; color: var(--matrix-green);} }
@keyframes blink-text { from, to { color: var(--accent-cyan); text-shadow: 0 0 5px var(--accent-cyan); } 50% { color: var(--term-fg); text-shadow: none; } }
@keyframes typewriter { from { width: 0 } to { width: 100% } }
@keyframes scanlines { to { background-position-y: 100%; } }
@keyframes message-entry { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes message-entry-me { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes glitch-anim-1 { 0% { clip-path: inset(45% 0 56% 0); } 100% { clip-path: inset(5% 0 96% 0); } }
@keyframes glitch-anim-2 { 0% { clip-path: inset(70% 0 31% 0); } 100% { clip-path: inset(80% 0 21% 0); } }
@keyframes glitch-skew { 0% { transform: skew(0); } 5% { transform: skew(1deg); } 10% { transform: skew(0); } 50% { transform: skew(0); } 55% { transform: skew(-2deg); } 60% { transform: skew(0); } }