/* Fallout Pip-Boy Interface Styling - Official Color Schemes */
@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono:wght@400&display=swap');
@import url('https://fonts.googleapis.com/css2?family=VT323:wght@400&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inconsolata:wght@300;400;500&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Courier+Prime:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@300;400;500&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600&display=swap');

/* --- THEME DEFINITIONS WITH OFFICIAL FALLOUT COLORS --- */

/* Default Theme: Fallout 3 */
:root {
  --pip-font-terminal: 'VT323', monospace;
  --pip-font-body: 'Inconsolata', monospace;
  --pip-font-title: 'Courier Prime', 'Courier New', monospace;
  --pip-color: #1AFF80;
  --pip-color-secondary: #15cc66;
  --pip-color-muted: #10aa52;
  --pip-color-highlight: #33FF99;
  --pip-color-hover: #4dffad;
  --pip-background: #0a0a0a;
  --pip-card-bg: #1a1a1a;
  --pip-screen-bg: #0d0d0d;
  --pip-border: #15cc66;
  --pip-shadow: rgba(26, 255, 128, 0.2);
  --pip-glow: 0 0 3px rgba(26, 255, 128, 0.6), 0 0 8px rgba(26, 255, 128, 0.4), 0 0 15px rgba(26, 255, 128, 0.2);
  --pip-text-glow: 0 0 4px var(--pip-color);
  --bg-glow-center: 26, 255, 128;
  --bg-glow-mid: 20, 204, 102;
  --bg-edge: 10, 10, 10;
  --scanline-opacity: 0.9;
  --flicker-enabled: 1;
  --crt-intensity: 0.9;
}

/* Fallout: New Vegas */
body[data-theme="fallout-nv"] {
  --pip-font-terminal: 'Share Tech Mono', monospace;
  --pip-color: #FFB642;
  --pip-color-secondary: #e6a33a;
  --pip-color-muted: #cc9032;
  --pip-color-highlight: #ffc460;
  --pip-color-hover: #ffd280;
  --pip-background: #1a0f0a;
  --pip-card-bg: #2a1f1a;
  --pip-border: #e6a33a;
  --pip-shadow: rgba(255, 182, 66, 0.2);
  --pip-glow: 0 0 3px rgba(255, 182, 66, 0.6), 0 0 8px rgba(255, 182, 66, 0.4), 0 0 15px rgba(255, 182, 66, 0.2);
  --bg-glow-center: 255, 182, 66;
  --bg-glow-mid: 204, 146, 53;
  --bg-edge: 20, 15, 10;
  --flicker-enabled: 0;
  --crt-intensity: 0.7;
}

/* Fallout 4 */
body[data-theme="fallout4"] {
  --pip-font-terminal: 'VT323', monospace;
  --pip-color: #1AFF80;
  --pip-color-secondary: #15cc66;
  --pip-color-muted: #10aa52;
  --pip-color-highlight: #33FF99;
  --pip-color-hover: #4dffad;
  --pip-background: #0a0f1a;
  --pip-card-bg: #1a1f2a;
  --pip-border: #15cc66;
  --pip-shadow: rgba(26, 255, 128, 0.2);
  --pip-glow: 0 0 3px rgba(26, 255, 128, 0.6), 0 0 8px rgba(26, 255, 128, 0.4), 0 0 15px rgba(26, 255, 128, 0.2);
  --bg-glow-center: 26, 255, 128;
  --bg-glow-mid: 20, 204, 102;
  --bg-edge: 10, 15, 20;
  --flicker-enabled: 0;
  --crt-intensity: 0.8;
}

/* Fallout 76 */
body[data-theme="fallout76"] {
  --pip-font-terminal: 'Share Tech Mono', monospace;
  --pip-color: #f5cb5b;
  --pip-color-secondary: #d8b252;
  --pip-color-muted: #f9e390;
  --pip-color-highlight: #ffffcb;
  --pip-color-hover: #f9e390;
  --pip-background: #181c1d;
  --pip-card-bg: #2c3133;
  --pip-border: #d8b252;
  --pip-shadow: rgba(245, 203, 91, 0.2);
  --pip-glow: 0 0 3px rgba(245, 203, 91, 0.6), 0 0 8px rgba(245, 203, 91, 0.4), 0 0 15px rgba(245, 203, 91, 0.2);
  --bg-glow-center: 245, 203, 91;
  --bg-glow-mid: 216, 178, 82;
  --bg-edge: 24, 28, 29;
  --flicker-enabled: 0;
  --crt-intensity: 0.6;
}

/* The Enclave */
body[data-theme="enclave"] {
  --pip-font-terminal: 'Orbitron', sans-serif;
  --pip-font-body: 'Roboto Mono', monospace;
  --pip-font-title: 'Exo 2', sans-serif;
  --pip-color: #FF3B3B;
  --pip-color-secondary: #CC2F2F;
  --pip-color-muted: #AA2525;
  --pip-color-highlight: #FF5C5C;
  --pip-color-hover: #FF7D7D;
  --pip-background: #0d0d0d;
  --pip-card-bg: #1e1e1e;
  --pip-border: #CC2F2F;
  --pip-shadow: rgba(255, 59, 59, 0.2);
  --pip-glow: 0 0 4px rgba(255, 59, 59, 0.6), 0 0 10px rgba(255, 59, 59, 0.4), 0 0 18px rgba(255, 59, 59, 0.2);
  --bg-glow-center: 150, 40, 40;
  --bg-glow-mid: 120, 30, 30;
  --bg-edge: 13, 13, 13;
  --scanline-opacity: 0;
  --flicker-enabled: 1;
  --crt-intensity: 0.5;
}

/* Brotherhood of Steel */
body[data-theme="brotherhood"] {
  --pip-color: #FFAA00;
  --pip-color-secondary: #D99000;
  --pip-color-muted: #B37700;
  --pip-color-highlight: #FFC54A;
  --pip-color-hover: #FFD684;
  --pip-background: #1a1a1a;
  --pip-card-bg: #2b2b2b;
  --pip-border: #D99000;
  --pip-shadow: rgba(255, 170, 0, 0.2);
  --pip-glow: 0 0 3px rgba(255, 170, 0, 0.6), 0 0 8px rgba(255, 170, 0, 0.4), 0 0 15px rgba(255, 170, 0, 0.2);
  --bg-glow-center: 150, 100, 0;
  --bg-glow-mid: 120, 80, 0;
  --bg-edge: 26, 26, 26;
  --flicker-enabled: 0;
  --crt-intensity: 0.6;
}

/* The Institute */
body[data-theme="institute"] {
  --pip-font-terminal: 'Roboto Mono', monospace;
  --pip-font-body: 'Open Sans', sans-serif;
  --pip-font-title: 'Exo 2', sans-serif;
  --pip-color: #FFFFFF;
  --pip-color-secondary: #E0E0E0;
  --pip-color-muted: #C0C0C0;
  --pip-color-highlight: #FFFFFF;
  --pip-color-hover: #F0F0F0;
  --pip-background: #101520;
  --pip-card-bg: #202838;
  --pip-border: #FFFFFF;
  --pip-shadow: rgba(255, 255, 255, 0.1);
  --pip-glow: 0 0 5px rgba(255, 255, 255, 0.4), 0 0 12px rgba(255, 255, 255, 0.2), 0 0 20px rgba(255, 255, 255, 0.1);
  --bg-glow-center: 180, 200, 220;
  --bg-glow-mid: 120, 140, 160;
  --bg-edge: 16, 21, 32;
  --scanline-opacity: 0;
  --flicker-enabled: 0;
  --crt-intensity: 0.3;
}

/* Classic Fallout */
body[data-theme="classic"] {
  --pip-font-terminal: 'Courier New', monospace;
  --pip-font-body: 'Lucida Console', Monaco, monospace;
  --pip-font-title: 'Arial Black', Gadget, sans-serif;
  --pip-color: #FFD700;
  --pip-color-secondary: #DAA520;
  --pip-color-muted: #B8860B;
  --pip-color-highlight: #FFEC8B;
  --pip-color-hover: #FFFACD;
  --pip-background: #000000;
  --pip-card-bg: #151515;
  --pip-border: #8B4513;
  --pip-shadow: rgba(255, 215, 0, 0.15);
  --pip-glow: 0 0 2px rgba(255, 215, 0, 0.5), 0 0 6px rgba(255, 215, 0, 0.3);
  --bg-glow-center: 50, 40, 10;
  --bg-glow-mid: 30, 20, 5;
  --bg-edge: 0, 0, 0;
  --flicker-enabled: 0;
  --crt-intensity: 0.8;
}

/* --- GENERAL STYLES (Using Theme Variables) --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: radial-gradient(
        ellipse at center, 
        rgba(var(--bg-glow-center), 0.50) 0%, 
        rgba(var(--bg-glow-mid), 0.75) 30%, 
        rgba(var(--bg-edge), 0.98) 70%
    );
    box-shadow: 0 0 60px 30px rgba(var(--bg-glow-center), 0.05);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: var(--pip-font-body);
    color: var(--pip-color);
    line-height: 1.3;
    overflow: hidden;
    position: relative;
    transition: all 0.5s ease;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(rgba(0, 0, 0, 0) 50%, rgba(var(--bg-glow-center), calc(var(--scanline-opacity) * 0.03)) 50%),
        radial-gradient(ellipse at center, rgba(var(--bg-glow-center), calc(var(--crt-intensity) * 0.1)) 0%, transparent 50%);
    background-size: 100% 3px, 100% 100%;
    pointer-events: none;
    z-index: 1000;
    animation: scanlines 0.1s linear infinite;
}

body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(var(--bg-glow-center), calc(var(--flicker-enabled) * 0.02));
    pointer-events: none;
    z-index: 999;
    animation: flicker 0.15s infinite linear alternate;
}

@keyframes scanlines {
    0% { transform: translateY(0px); }
    100% { transform: translateY(3px); }
}

@keyframes flicker {
    0%, 18%, 22%, 25%, 53%, 57%, 100% { opacity: 1; }
    20%, 24%, 55% { opacity: 0.4; }
}

/* Boot sequence */
.boot-sequence {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 3000;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
}

.boot-content {
    text-align: center;
    max-width: 600px;
    background: var(--pip-card-bg);
    border: 3px solid var(--pip-border);
    border-radius: 10px;
    padding: 3rem;
    box-shadow: 0 0 30px rgba(var(--bg-glow-center), 0.3);
    position: relative;
    overflow: hidden;
}

.boot-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--pip-color-highlight), transparent);
    animation: scanline 3s linear infinite;
}

@keyframes scanline {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}
.pip-logo { margin-bottom: 3rem; }

.pip-circle {
    width: 120px;
    height: 120px;
    border: 3px solid var(--pip-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    box-shadow: var(--pip-glow);
    animation: pulse 2s infinite;
}

.pip-inner { font-size: 3rem; font-weight: bold; color: var(--pip-color-highlight); text-shadow: var(--pip-glow); }
.boot-text { font-size: 1.2rem; text-shadow: var(--pip-text-glow); }
.boot-line { margin-bottom: 1rem; opacity: 0; animation: fadeIn 1s ease-in forwards; }

.boot-progress {
    width: 100%;
    height: 20px;
    border: 2px solid var(--pip-color);
    border-radius: 10px;
    margin: 2rem 0;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.5);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--pip-color-secondary), var(--pip-color-highlight));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 8px;
    box-shadow: 0 0 10px var(--pip-color);
}

/* Login screen */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        ellipse at center, 
        rgba(var(--bg-glow-center), 0.15) 0%, 
        rgba(var(--bg-glow-mid), 0.1) 30%, 
        rgba(var(--bg-edge), 0.95) 70%
    );
    box-shadow: 0 0 50px 20px rgba(var(--bg-glow-center), 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.login-box {
    background-color: var(--pip-card-bg);
    border: 3px solid var(--pip-border);
    border-radius: 8px;
    padding: 2.5rem;
    width: 90%;
    max-width: 450px;
    text-align: center;
    box-shadow: 0 0 20px var(--pip-shadow);
    position: relative;
    animation: slideIn 0.8s ease-out;
}

.login-box::before {
    content: "▼ PIP-BOY 3000 MARK IV ▼";
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--pip-card-bg);
    color: var(--pip-color-highlight);
    padding: 0 1rem;
    font-size: 0.9rem;
    letter-spacing: 1px;
    font-family: var(--pip-font-terminal);
}

.login-header { margin-bottom: 1.5rem; }
.pip-badge { color: var(--pip-color-highlight); font-size: 1.1rem; letter-spacing: 2px; text-shadow: var(--pip-glow); }
.pip-icon { color: var(--pip-color); margin: 0 0.5rem; }
.login-box h2 { 
    color: var(--pip-color-highlight); 
    margin-bottom: 1rem; 
    text-shadow: var(--pip-glow); 
    font-size: 1.8rem; 
    text-transform: uppercase; 
    letter-spacing: 2px; 
    font-family: var(--pip-font-title);
}
.login-subtitle { color: var(--pip-color); font-size: 1rem; margin-bottom: 2rem; text-shadow: var(--pip-text-glow); }
.input-group { position: relative; margin-bottom: 2rem; }
.input-label { display: block; color: var(--pip-color); font-size: 0.9rem; margin-bottom: 0.5rem; text-shadow: var(--pip-text-glow); }

.username-input {
    width: 100%;
    padding: 1rem;
    background-color: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--pip-border);
    border-radius: 4px;
    color: var(--pip-color);
    font-family: var(--pip-font-terminal);
    font-size: 1.3rem;
    text-align: center;
    outline: none;
    box-shadow: inset 0 0 10px rgba(var(--bg-glow-center), 0.1), 0 0 5px var(--pip-shadow);
    text-shadow: var(--pip-text-glow);
    transition: all 0.3s ease;
}

.username-input::placeholder { color: var(--pip-color-muted); text-shadow: none; }
.username-input:focus { 
    box-shadow: inset 0 0 15px rgba(var(--bg-glow-center), 0.2), 0 0 15px var(--pip-shadow); 
    transform: scale(1.02); 
    border-color: var(--pip-color-highlight);
}
.input-underline { position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--pip-color-highlight); transition: width 0.3s ease; }
.username-input:focus + .input-underline { width: 100%; }

.vault-btn {
    background: linear-gradient(145deg, rgba(var(--bg-glow-center), 0.2), rgba(var(--bg-glow-center), 0.1));
    color: var(--pip-color);
    border: 2px solid var(--pip-border);
    border-radius: 4px;
    padding: 1rem 2.5rem;
    font-family: var(--pip-font-terminal);
    font-size: 1.2rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-shadow: var(--pip-text-glow);
}

.vault-btn:hover {
    background: linear-gradient(145deg, rgba(var(--bg-glow-center), 0.3), rgba(var(--bg-glow-center), 0.2));
    box-shadow: 0 0 20px var(--pip-shadow);
    transform: translateY(-2px);
    color: var(--pip-color-hover);
    border-color: var(--pip-color-highlight);
}

.btn-text { margin-right: 0.5rem; }
.btn-icon { transition: transform 0.3s ease; }
.vault-btn:hover .btn-icon { transform: translateX(5px); }
.login-footer { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--pip-border); }
.system-info { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--pip-color); text-shadow: var(--pip-text-glow); }

/* Main terminal */
.terminal {
    width: 95%;
    max-width: 1000px;
    height: 90vh;
    background-color: var(--pip-card-bg);
    border: 3px solid var(--pip-border);
    border-radius: 8px;
    box-shadow: 0 0 20px var(--pip-shadow), inset 0 0 50px rgba(var(--bg-glow-center), 0.1);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    padding: 1.5rem;
    animation: slideIn 0.8s ease-out;
}

.terminal::before {
    content: "";
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 1px solid rgba(var(--bg-glow-center), 0.3);
    border-radius: 4px;
    pointer-events: none;
    z-index: 1;
}

.terminal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 2px solid var(--pip-border);
    margin-bottom: 1rem;
    text-shadow: var(--pip-text-glow);
    letter-spacing: 1px;
    background: linear-gradient(90deg, transparent, rgba(var(--bg-glow-center), 0.1), transparent);
    position: relative;
    font-family: var(--pip-font-title);
}

.header-section { display: flex; align-items: center; gap: 1rem; }
.header-status { display: flex; align-items: center; gap: 0.5rem; }

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--pip-color-highlight);
    box-shadow: 0 0 10px var(--pip-color-highlight);
    animation: pulse 2s infinite;
}

.title-main { font-size: 1.2rem; color: var(--pip-color-highlight); text-shadow: var(--pip-glow); }
.title-sub { font-size: 0.9rem; color: var(--pip-color); text-shadow: var(--pip-text-glow); }
.user-count { 
    display: flex; 
    align-items: center; 
    gap: 0.3rem; 
    cursor: pointer; 
    padding: 0.3rem 0.6rem; 
    border: 1px solid var(--pip-border); 
    border-radius: 3px; 
    transition: all 0.3s ease; 
    background: rgba(var(--bg-glow-center), 0.05);
}
.user-count:hover { 
    background: rgba(var(--bg-glow-center), 0.15); 
    border-color: var(--pip-color-highlight); 
    transform: scale(1.05); 
}

.terminal-body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    line-height: 1.4;
    text-shadow: var(--pip-text-glow);
    scrollbar-width: thin;
    scrollbar-color: var(--pip-color) var(--pip-card-bg);
    border: 1px solid var(--pip-border);
    border-radius: 4px;
    background: rgba(var(--bg-glow-center), 0.02);
    font-family: var(--pip-font-terminal);
}

.terminal-body::-webkit-scrollbar { width: 12px; }
.terminal-body::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.3); border-radius: 6px; }
.terminal-body::-webkit-scrollbar-thumb { 
    background: linear-gradient(180deg, var(--pip-color), var(--pip-color-secondary)); 
    border-radius: 6px; 
    border: 2px solid rgba(0, 0, 0, 0.3); 
}

.system-message {
    color: var(--pip-color-highlight);
    margin-bottom: 0.8rem;
    animation: fadeIn 0.5s ease-in;
    text-shadow: var(--pip-glow);
    border-left: 3px solid var(--pip-color);
    padding: 0.5rem 0 0.5rem 1rem;
    background: rgba(var(--bg-glow-center), 0.05);
    border-radius: 0 4px 4px 0;
}

.msg-prefix { color: var(--pip-color-highlight); font-weight: bold; }

.user-message {
    color: var(--pip-color-highlight);
    margin-bottom: 0.5rem;
    animation: slideInRight 0.5s ease-in;
    text-align: right;
    text-shadow: var(--pip-text-glow);
    border-right: 2px solid var(--pip-border);
    padding: 0.5rem 1rem 0.5rem 0;
    background: linear-gradient(270deg, rgba(var(--bg-glow-center), 0.1), transparent);
    border-radius: 4px 0 0 4px;
}

.other-user-message {
    color: var(--pip-color);
    margin-bottom: 0.5rem;
    animation: slideInLeft 0.5s ease-in;
    text-align: left;
    text-shadow: var(--pip-text-glow);
    border-left: 2px solid var(--pip-border);
    padding: 0.5rem 0 0.5rem 1rem;
    background: linear-gradient(90deg, rgba(var(--bg-glow-center), 0.05), transparent);
    border-radius: 0 4px 4px 0;
}

.message-time { color: var(--pip-color-secondary); font-size: 0.8rem; margin-right: 0.5rem; }
.message-sender { font-weight: bold; color: var(--pip-color-highlight); text-shadow: var(--pip-glow); margin-right: 0.5rem; }
.pip-stat-bar { 
    display: flex; 
    justify-content: space-between; 
    padding: 0.5rem 0; 
    border-bottom: 1px solid var(--pip-border); 
    margin-bottom: 0.5rem; 
    animation: fadeIn 1s ease-in 0.5s both; 
}
.pip-stat { color: var(--pip-color); font-size: 0.9rem; text-shadow: var(--pip-text-glow); }
.pip-highlight { 
    color: var(--pip-color-highlight); 
    text-shadow: var(--pip-glow); 
    background: rgba(var(--bg-glow-center), 0.1); 
    padding: 0.2rem 0.4rem; 
    border-radius: 2px; 
}

/* Input area */
.input-area {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: linear-gradient(90deg, rgba(var(--bg-glow-center), 0.1), rgba(var(--bg-glow-center), 0.05), rgba(var(--bg-glow-center), 0.1));
    border: 2px solid var(--pip-border);
    border-radius: 4px;
    position: relative;
    box-shadow: inset 0 0 10px rgba(var(--bg-glow-center), 0.1);
}

.input-prefix { 
    display: flex; 
    align-items: center; 
    gap: 0.5rem; 
    margin-right: 1rem; 
    color: var(--pip-color-highlight); 
    font-weight: bold; 
    font-family: var(--pip-font-terminal);
}
.input-container { flex: 1; position: relative; }

.chat-input {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--pip-color);
    font-family: var(--pip-font-terminal);
    font-size: 1.2rem;
    outline: none;
    caret-color: var(--pip-color);
    text-shadow: var(--pip-text-glow);
    padding-right: 60px;
}

.chat-input::placeholder { color: var(--pip-color-muted); }
.input-effects { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); }
.typing-indicator { display: flex; gap: 3px; }
.typing-indicator span { 
    width: 4px; 
    height: 4px; 
    background: var(--pip-color); 
    border-radius: 50%; 
    animation: typing-bounce 1.4s infinite ease-in-out; 
}
.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }
.input-actions { display: flex; gap: 0.5rem; }

.action-btn {
    background: rgba(var(--bg-glow-center), 0.1);
    border: 1px solid var(--pip-border);
    color: var(--pip-color);
    padding: 0.5rem 1rem;
    border-radius: 3px;
    cursor: pointer;
    font-family: var(--pip-font-terminal);
    font-size: 0.9rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.action-btn:hover { 
    background: rgba(var(--bg-glow-center), 0.2); 
    box-shadow: 0 0 10px var(--pip-shadow); 
    transform: translateY(-1px); 
    color: var(--pip-color-hover);
    border-color: var(--pip-color-highlight);
}
.action-btn.secondary { 
    border-color: var(--pip-color-muted); 
    color: var(--pip-color-muted); 
}

/* Status bar */
.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1rem;
    border-top: 2px solid var(--pip-border);
    font-size: 0.9rem;
    color: var(--pip-color);
    text-shadow: var(--pip-text-glow);
    background: linear-gradient(90deg, transparent, rgba(var(--bg-glow-center), 0.1), transparent);
    font-family: var(--pip-font-terminal);
}

.status-section { display: flex; gap: 1rem; }
.status-center { flex: 1; text-align: center; }
.terminal-version { color: var(--pip-color-secondary); font-size: 0.8rem; }
.status-item { display: flex; gap: 0.3rem; }
.status-label { color: var(--pip-color-secondary); }
.online { 
    color: var(--pip-color-highlight); 
    text-shadow: var(--pip-glow); 
    animation: pulse 2s infinite; 
}

/* Online users panel */
.online-users {
    position: absolute;
    top: 5rem;
    right: 1.5rem;
    background: linear-gradient(145deg, rgba(0, 0, 0, 0.9), rgba(var(--bg-glow-center), 0.1));
    border: 2px solid var(--pip-border);
    border-radius: 4px;
    padding: 1rem;
    font-size: 0.9rem;
    width: 220px;
    max-height: 300px;
    overflow-y: auto;
    display: none;
    box-shadow: 0 0 20px var(--pip-shadow);
    animation: slideInRight 0.3s ease-out;
    z-index: 100;
    font-family: var(--pip-font-terminal);
}

.online-users h4 { 
    color: var(--pip-color-highlight); 
    margin-bottom: 0.8rem; 
    text-align: center; 
    border-bottom: 1px solid var(--pip-border); 
    padding-bottom: 0.5rem; 
    text-transform: uppercase; 
    letter-spacing: 1px; 
    text-shadow: var(--pip-glow); 
}
.users-list { list-style: none; }
.user-item { 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    gap: 0.5rem; 
    padding: 0.3rem 0; 
    border-bottom: 1px solid rgba(var(--bg-glow-center), 0.1); 
}
.user-item:last-child { border-bottom: none; }
.user-status { 
    color: var(--pip-color-highlight); 
    text-shadow: 0 0 5px var(--pip-color-highlight); 
    animation: pulse 2s infinite; 
}

/* ===== THEME SWITCHER DROPDOWN ===== */
.theme-switcher {
    position: relative;
    display: inline-block;
    z-index: 1000;
}

.theme-toggle {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--pip-border);
    color: var(--pip-color);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--pip-font-terminal);
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background: rgba(var(--bg-glow-center), 0.2);
    border-color: var(--pip-color-highlight);
    box-shadow: 0 0 8px var(--pip-shadow);
}

.theme-toggle .status-label {
    color: var(--pip-color-highlight);
    text-shadow: var(--pip-text-glow);
}

.theme-toggle .current-theme {
    font-weight: bold;
    min-width: 100px;
    text-align: left;
}

.dropdown-arrow {
    font-size: 0.7em;
    transition: transform 0.2s ease;
}

.theme-dropdown {
    position: absolute;
    bottom: 100%;
    right: 0;
    margin-bottom: 5px;
    background: var(--pip-card-bg);
    border: 1px solid var(--pip-border);
    border-radius: 4px;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.5);
    min-width: 200px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

.theme-switcher:hover .theme-dropdown,
.theme-dropdown:focus-within {
    max-height: 400px;
    opacity: 1;
    transform: translateY(0);
    margin-bottom: 15px;
}

.theme-switcher:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.theme-option {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    color: var(--pip-color);
    cursor: pointer;
    transition: all 0.2s ease;
    gap: 10px;
}

.theme-option:hover {
    background: rgba(var(--bg-glow-center), 0.1);
    color: var(--pip-color-highlight);
    text-shadow: var(--pip-text-glow);
}

.theme-option.active {
    background: rgba(var(--bg-glow-center), 0.2);
    color: var(--pip-color-highlight);
    font-weight: bold;
}

.theme-preview {
    display: inline-block;
    width: 16px;
    height: 16px;
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
}

/* Mobile styles */
@media (max-width: 768px) {
    .theme-switcher {
        position: fixed;
        bottom: 10px;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .theme-dropdown {
        bottom: 100%;
        top: auto;
        left: 0;
        right: auto;
        margin-bottom: 5px;
        transform: translateY(10px);
    }
    
    .theme-switcher:hover .theme-dropdown,
    .theme-dropdown:focus-within {
        margin-bottom: 15px;
        transform: translateY(0);
    }
}

/* Animations */
@keyframes pulse { 
    0%, 100% { opacity: 1; transform: scale(1); } 
    50% { opacity: 0.7; transform: scale(1.05); } 
}
@keyframes fadeIn { 
    from { opacity: 0; transform: translateY(20px); } 
    to { opacity: 1; transform: translateY(0); } 
}
@keyframes slideIn { 
    from { opacity: 0; transform: scale(0.9) translateY(20px); } 
    to { opacity: 1; transform: scale(1) translateY(0); } 
}
@keyframes slideInLeft { 
    from { opacity: 0; transform: translateX(-20px); } 
    to { opacity: 1; transform: translateX(0); } 
}
@keyframes slideInRight { 
    from { opacity: 0; transform: translateX(20px); } 
    to { opacity: 1; transform: translateX(0); } 
}
@keyframes typing-bounce { 
    0%, 80%, 100% { transform: scale(0); } 
    40% { transform: scale(1); } 
}
.typewriter { 
    overflow: hidden; 
    border-right: 3px solid var(--pip-color); 
    white-space: nowrap; 
    margin: 0; 
    letter-spacing: 0.1em; 
    animation: typing 2s steps(30, end), blink-caret 0.8s step-end infinite; 
    text-shadow: var(--pip-glow); 
}
@keyframes typing { 
    from { width: 0 } 
    to { width: 100% } 
}
@keyframes blink-caret { 
    from, to { border-color: transparent } 
    50% { border-color: var(--pip-color); } 
}

/* Responsive & Accessibility */
@media (max-width: 768px) { 
    .terminal { width: 98%; height: 95vh; padding: 1rem; } 
    .terminal-header, .header-section, .status-section, .input-area { 
        flex-direction: column; 
        text-align: center; 
        gap: 0.5rem; 
    } 
    .input-actions { width: 100%; justify-content: space-between; } 
    .action-btn, .login-box, .system-info { flex: 1; } 
    .login-box { width: 95%; padding: 2rem 1.5rem; } 
    .system-info { flex-direction: column; gap: 0.3rem; } 
    .theme-switcher { 
        margin-top: 1rem; 
        flex-wrap: wrap;
        justify-content: center;
    } 
}

@media (prefers-reduced-motion: reduce) { 
    *, *::before, *::after { 
        animation-duration: 0.01ms !important; 
        animation-iteration-count: 1 !important; 
        transition-duration: 0.01ms !important; 
    } 
    body::before, body::after { display: none; } 
}

.username-input:focus, .chat-input:focus, .action-btn:focus, .vault-btn:focus { 
    outline: 2px solid var(--pip-color-highlight); 
    outline-offset: 2px; 
}