*{box-sizing:border-box}
:root{
  --army-green:#4b5320;
  --army-gold:#b89968;
  --army-dark:#2d3319;
  --army-light:#6b7d3e;
  --bg-primary:#f5f5f0;
  --bg-secondary:#e8e8dc;
  --text-primary:#1a1a1a;
  --border-color:#d0d0c0;
}
body,html{height:100%;margin:0;font-family:'Segoe UI',Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary)}
#app{display:flex;height:100vh}
#login-screen{display:flex;height:100vh;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--army-dark) 0%,var(--army-green) 100%)}
.login-box{background:white;padding:32px;border-radius:4px;box-shadow:0 8px 24px rgba(0,0,0,0.25);width:360px;border-top:4px solid var(--army-gold)}
.login-box h2{margin-top:0;color:var(--army-dark);font-weight:600;text-align:center;text-transform:uppercase;letter-spacing:1px;font-size:18px}
.login-box input{display:block;width:100%;margin:10px 0;padding:10px 12px;border:1px solid var(--border-color);border-radius:3px;font-size:14px}
.login-box input:focus{outline:none;border-color:var(--army-green);box-shadow:0 0 0 2px rgba(75,83,32,0.1)}
.login-box button{background:var(--army-green);color:white;border:none;padding:10px 20px;border-radius:3px;cursor:pointer;font-weight:600;text-transform:uppercase;font-size:12px;letter-spacing:0.5px;transition:all 0.2s;margin-right:8px}
.login-box button:hover{background:var(--army-dark);transform:translateY(-1px);box-shadow:0 2px 8px rgba(0,0,0,0.2)}
.login-box button:active{transform:translateY(0)}
#login-msg{margin-top:12px;color:#c41e3a;font-size:13px;text-align:center}
#sidebar{width:280px;background:var(--army-dark);border-right:2px solid var(--army-gold);padding:0;display:flex;flex-direction:column;color:white}
#user-panel{padding:16px;background:rgba(0,0,0,0.2);border-bottom:1px solid rgba(184,153,104,0.3)}
#profile-box h3{margin:0 0 12px 0;color:var(--army-gold);font-size:14px;text-transform:uppercase;letter-spacing:1px}
#profile-box button{background:transparent;color:var(--army-gold);border:1px solid var(--army-gold);padding:6px 14px;border-radius:3px;cursor:pointer;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;transition:all 0.2s}
#profile-box button:hover{background:var(--army-gold);color:var(--army-dark)}
#main{flex:1;display:flex;flex-direction:column;background:var(--bg-primary);min-height:0}
#chat-header{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:2px solid var(--army-gold);background:white;box-shadow:0 2px 4px rgba(0,0,0,0.05);flex-shrink:0;flex-wrap:nowrap}
#chat-title{flex:1;min-width:150px}
#reasoning-toggle-container{display:flex;align-items:center;flex-shrink:0}
.toggle-label{display:flex;align-items:center;gap:8px;cursor:pointer;user-select:none;flex-shrink:0}
.toggle-label input[type="checkbox"]{display:none}
.toggle-slider{position:relative;width:44px;height:24px;background:var(--border-color);border-radius:24px;transition:background 0.3s;box-shadow:inset 0 1px 3px rgba(0,0,0,0.2)}
.toggle-slider::before{content:'';position:absolute;width:18px;height:18px;border-radius:50%;background:white;top:3px;left:3px;transition:transform 0.3s;box-shadow:0 2px 4px rgba(0,0,0,0.2)}
.toggle-label input[type="checkbox"]:checked + .toggle-slider{background:var(--army-green)}
.toggle-label input[type="checkbox"]:checked + .toggle-slider::before{transform:translateX(20px)}
.toggle-text{font-size:13px;font-weight:600;color:var(--army-dark);white-space:nowrap}
#messages{flex:1;overflow:auto;padding:20px;background:var(--bg-secondary)}

/* Sources panel shown below the messages and above the composer */
#sources-panel{background:white;border-top:1px solid var(--border-color);padding:10px 20px;display:flex;flex-direction:column;gap:6px;max-height:160px;overflow:auto}
.source-item{display:block;font-size:13px;color:var(--army-green);text-decoration:underline;cursor:pointer;word-break:break-all;padding:6px 8px;border-radius:4px;background:rgba(75,83,32,0.04)}
.source-item:hover{background:rgba(75,83,32,0.08)}
.message{padding:0;border-radius:4px;margin:8px 0;max-width:80%;line-height:1.5;font-size:14px;display:flex;flex-direction:column}
.message.user{background:var(--army-green);color:white;margin-left:auto;border-bottom-right-radius:2px;box-shadow:0 2px 4px rgba(0,0,0,0.1)}
.message.user .message-text{padding:12px 16px}
.message.assistant{background:white;color:var(--text-primary);margin-right:auto;border:1px solid var(--border-color);border-bottom-left-radius:2px;box-shadow:0 1px 3px rgba(0,0,0,0.05)}
.message.assistant .message-text{padding:12px 16px}
.message-sources{border-top:2px solid var(--border-color);background:rgba(75,83,32,0.03);padding:10px 16px;margin-top:0;border-bottom-left-radius:4px;border-bottom-right-radius:4px}
.sources-header{font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:0.5px;color:var(--army-dark);margin-bottom:8px}
.sources-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}
.sources-list li{font-size:13px;line-height:1.4}
.source-link{color:var(--army-green);text-decoration:none;border-bottom:1px solid transparent;transition:all 0.2s;font-weight:500}
.source-link:hover{border-bottom-color:var(--army-green);color:var(--army-dark)}
.source-link.source-tool{color:#0066cc}
.source-link.source-tool:hover{color:#004499;border-bottom-color:#004499}
.source-link.source-internal{color:#6c757d}
.source-link.source-internal:hover{color:#495057;border-bottom-color:#495057}
.source-details{color:#6c757d;font-size:0.9em;margin-left:4px}
#composer{display:flex;padding:16px 20px;border-top:2px solid var(--border-color);background:white;gap:12px;box-shadow:0 -2px 8px rgba(0,0,0,0.05)}
#chat-title{font-size:18px;font-weight:600;border:1px solid transparent;padding:6px 10px;border-radius:3px;outline:none;flex:1;color:var(--army-dark)}
#chat-title:hover,#chat-title:focus{border-color:var(--border-color);background:var(--bg-secondary)}
#mode-selector{display:flex;gap:12px;padding:6px 12px;background:var(--bg-secondary);border-radius:4px;border:1px solid var(--border-color)}
#mode-selector label{display:flex;align-items:center;gap:4px;font-size:12px;font-weight:600;color:var(--army-dark);cursor:pointer;text-transform:uppercase;letter-spacing:0.5px}
#mode-selector input[type="radio"]{cursor:pointer;accent-color:var(--army-green)}
#chat-header button{background:var(--army-green);color:white;border:none;padding:8px 18px;border-radius:3px;cursor:pointer;font-weight:600;text-transform:uppercase;font-size:11px;letter-spacing:0.5px;transition:all 0.2s;box-shadow:0 2px 4px rgba(0,0,0,0.1)}
#chat-header button:hover{background:var(--army-dark);transform:translateY(-1px);box-shadow:0 3px 8px rgba(0,0,0,0.2)}
#chat-header button:active{transform:translateY(0);box-shadow:0 1px 2px rgba(0,0,0,0.2)}
#composer textarea{flex:1;height:80px;padding:12px;border:2px solid var(--border-color);border-radius:4px;font-size:14px;font-family:inherit;resize:none;transition:border-color 0.2s}
#composer textarea:focus{outline:none;border-color:var(--army-green);box-shadow:0 0 0 3px rgba(75,83,32,0.1)}
#composer button{width:100px;background:var(--army-green);color:white;border:none;border-radius:4px;cursor:pointer;font-weight:700;text-transform:uppercase;font-size:13px;letter-spacing:1px;transition:all 0.2s;box-shadow:0 3px 8px rgba(75,83,32,0.3);position:relative;overflow:hidden}
#composer button:hover{background:var(--army-dark);transform:translateY(-2px);box-shadow:0 5px 12px rgba(75,83,32,0.4)}
#composer button:active{transform:translateY(0);box-shadow:0 2px 4px rgba(75,83,32,0.3)}
#composer button::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.2),transparent);transition:left 0.5s}
#composer button:hover::before{left:100%}
#chats-list{list-style:none;padding:0;margin:0}
#chats-list li{padding:10px 12px;border-radius:3px;background:rgba(255,255,255,0.08);margin:6px 0;cursor:pointer;display:flex;justify-content:space-between;align-items:center;border-left:3px solid transparent;transition:all 0.2s}
#chats-list li:hover{background:rgba(255,255,255,0.15);border-left-color:var(--army-gold);transform:translateX(2px)}
.chat-title-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:white;font-size:13px}
.chat-time{font-size:10px;color:var(--army-gold);margin-left:8px;white-space:nowrap;opacity:0.8}
#chats-panel{flex:1;overflow:auto;padding:12px}
.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.panel-header h4{margin:0;color:var(--army-gold);font-size:13px;text-transform:uppercase;letter-spacing:1px;font-weight:600}
.panel-header button{background:var(--army-green);color:white;border:none;padding:6px 14px;border-radius:3px;cursor:pointer;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;transition:all 0.2s}
.panel-header button:hover{background:var(--army-light);transform:translateY(-1px)}

/* Login instruction text */
.login-instruction{font-size:13px;color:#555;margin:0 0 10px 0;text-align:center}
.btn-secondary{background:transparent;color:var(--army-green);border:1px solid var(--army-green);padding:10px 20px;border-radius:3px;cursor:pointer;font-weight:600;text-transform:uppercase;font-size:12px;letter-spacing:0.5px;transition:all 0.2s;margin-left:4px}
.btn-secondary:hover{background:var(--bg-secondary)}

/* User actions row */
#user-actions{display:flex;gap:6px;flex-wrap:wrap}
#btn-settings{background:transparent;color:var(--army-gold);border:1px solid var(--army-gold);padding:6px 14px;border-radius:3px;cursor:pointer;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;transition:all 0.2s}
#btn-settings:hover{background:var(--army-gold);color:var(--army-dark)}

/* Settings modal overlay */
#settings-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);z-index:1000;align-items:center;justify-content:center}
#settings-modal{background:white;border-radius:6px;padding:24px;width:640px;max-width:90vw;max-height:80vh;overflow:auto;box-shadow:0 12px 40px rgba(0,0,0,0.3);border-top:4px solid var(--army-gold)}
#settings-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
#settings-header h3{margin:0;color:var(--army-dark);font-size:16px;text-transform:uppercase;letter-spacing:1px}
#btn-close-settings{background:none;border:none;font-size:24px;cursor:pointer;color:#999;padding:0 4px;line-height:1}
#btn-close-settings:hover{color:#333}

/* Whitelist add form */
#whitelist-add-form{display:flex;gap:8px;align-items:center;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--border-color)}
#whitelist-add-form input[type="email"]{flex:1;padding:8px 12px;border:1px solid var(--border-color);border-radius:3px;font-size:14px}
#whitelist-add-form input[type="email"]:focus{outline:none;border-color:var(--army-green)}
.admin-check-label{display:flex;align-items:center;gap:4px;font-size:13px;font-weight:600;color:var(--army-dark);white-space:nowrap;cursor:pointer}
#btn-add-whitelist{background:var(--army-green);color:white;border:none;padding:8px 16px;border-radius:3px;cursor:pointer;font-weight:600;text-transform:uppercase;font-size:11px;letter-spacing:0.5px;transition:all 0.2s;white-space:nowrap}
#btn-add-whitelist:hover{background:var(--army-dark)}

/* Whitelist table */
.whitelist-table{width:100%;border-collapse:collapse;font-size:13px}
.whitelist-table th{text-align:left;padding:8px 10px;background:var(--bg-secondary);color:var(--army-dark);font-weight:600;text-transform:uppercase;font-size:11px;letter-spacing:0.5px;border-bottom:2px solid var(--border-color)}
.whitelist-table td{padding:8px 10px;border-bottom:1px solid var(--border-color)}
.whitelist-table tr:hover td{background:rgba(75,83,32,0.04)}
.btn-remove{background:transparent;color:#c41e3a;border:1px solid #c41e3a;padding:4px 10px;border-radius:3px;cursor:pointer;font-size:11px;font-weight:600;text-transform:uppercase;transition:all 0.2s}
.btn-remove:hover{background:#c41e3a;color:white}
.whitelist-empty{text-align:center;color:#999;font-size:14px;padding:20px}