/* ── RESET & BASE ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-light: #3b82f6;
  --bg: #0f1623;
  --bg2: #162032;
  --bg3: #1e2d45;
  --bg4: #253550;
  --border: #243047;
  --border2: #2e3f5c;
  --text: #f0f4ff;
  --text2: #94a8c9;
  --text3: #556a8a;
  --gold: #f0c040;
  --green: #16a34a;
  --green2: #22c55e;
  --red: #ef4444;
  --orange: #f97316;
  --purple: #a78bfa;
  --cyan: #22d3ee;
  --font-mono: 'Courier New', Courier, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: 0.2s ease;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scanline overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px);
  pointer-events: none;
  z-index: 9999;
}

/* ── TYPOGRAPHY ────────────────────────────────────────────── */
h1, h2, h3 { font-weight: 600; letter-spacing: 0.05em; }
.mono, .mono-sm { font-family: var(--font-mono); }
.mono-sm { font-size: 0.75rem; }
.text-dim { color: var(--text3); }
.highlight { color: var(--blue-light); font-weight: 600; }

/* ── SCROLLBAR ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all var(--transition);
  font-weight: 600;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-light); }
.btn-secondary { background: var(--bg3); color: var(--text2); border: 1px solid var(--border2); }
.btn-secondary:hover { border-color: var(--blue-dark); color: var(--text); }
.btn-ghost { background: transparent; color: var(--text3); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text2); border-color: var(--border2); }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.7rem; }

/* ── LOGIN SCREEN ──────────────────────────────────────────── */
.screen-login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at center, #162032 0%, #0f1623 70%);
  padding: 2rem;
}

.login-wrap {
  width: 100%;
  max-width: 420px;
}

.login-logo {
  font-family: var(--font-mono);
  text-align: center;
  margin-bottom: 2.5rem;
}
.login-logo .cipher-org { font-size: 0.65rem; color: var(--text3); letter-spacing: 0.4em; text-transform: uppercase; margin-bottom: 0.5rem; }
.login-logo .code-name { font-size: clamp(2rem, 5vw, 3.5rem); color: var(--blue-light); letter-spacing: 0.2em; font-weight: 700; text-shadow: 0 0 30px rgba(37,99,235,0.4); }
.login-logo .code-sub { font-size: 0.6rem; color: var(--text3); letter-spacing: 0.6em; margin-top: 0.25rem; }
.login-logo .red-line { width: 120px; height: 1px; background: linear-gradient(90deg, transparent, var(--blue-light), transparent); margin: 1.25rem auto; }

.login-card {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-top: 2px solid var(--blue-light);
  padding: 2.5rem;
  border-radius: 4px;
}
.login-card h2 { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text3); letter-spacing: 0.3em; margin-bottom: 1.5rem; }

.field { margin-bottom: 1.25rem; }
.field label { display: block; font-size: 0.65rem; color: var(--text3); letter-spacing: 0.2em; text-transform: uppercase; font-family: var(--font-mono); margin-bottom: 0.4rem; }
.field input { width: 100%; background: var(--bg3); border: 1px solid var(--border2); color: var(--text); padding: 0.65rem 0.9rem; font-family: var(--font-mono); font-size: 0.9rem; border-radius: 3px; outline: none; transition: border-color var(--transition); }
.field input:focus { border-color: var(--blue); }
.field input::placeholder { color: var(--text3); }
.field-hint { font-size: 0.65rem; color: var(--text3); margin-top: 0.4rem; font-family: var(--font-mono); }

.btn-primary.full { width: 100%; justify-content: center; padding: 0.85rem; font-size: 0.85rem; }

.alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #f87171; padding: 0.75rem 1rem; font-family: var(--font-mono); font-size: 0.75rem; margin-bottom: 1.25rem; border-radius: 3px; }
.alert-success { background: rgba(37,99,235,0.1); border: 1px solid rgba(37,99,235,0.4); color: #60a5fa; padding: 0.75rem 1rem; font-family: var(--font-mono); font-size: 0.75rem; margin-bottom: 1.25rem; border-radius: 3px; letter-spacing: 0.08em; }
.login-tagline { font-family: var(--font-mono); font-size: 0.6rem; color: var(--text3); text-align: center; margin-top: 1.5rem; letter-spacing: 0.05em; line-height: 1.8; }
.login-footer { text-align: center; font-family: var(--font-mono); font-size: 0.55rem; color: var(--text3); margin-top: 2rem; letter-spacing: 0.15em; }

/* ── APP LAYOUT ────────────────────────────────────────────── */
.screen-app { display: flex; flex-direction: column; min-height: 100vh; }

.topbar { display: flex; align-items: center; justify-content: space-between; padding: 0 1.5rem; height: 56px; background: var(--bg2); border-bottom: 1px solid var(--border); flex-shrink: 0; }
.topbar-left { display: flex; align-items: center; gap: 1rem; }
.topbar-logo { font-family: var(--font-mono); font-size: 0.85rem; color: var(--blue-light); letter-spacing: 0.3em; font-weight: 700; }
.topbar-status { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text3); display: flex; align-items: center; gap: 0.4rem; }
.topbar-status strong { color: var(--text2); }
.topbar-right { display: flex; align-items: center; gap: 1rem; }
.topbar-back { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text3); text-decoration: none; letter-spacing: 0.1em; }
.topbar-back:hover { color: var(--text2); }
.status-dot { width: 6px; height: 6px; background: var(--green2); border-radius: 50%; animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ── NEXT COMMS BADGE ──────────────────────────────────────── */
.next-intel-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(167,139,250,0.07);
  border: 1px solid rgba(167,139,250,0.22);
  border-radius: 3px;
  padding: 0.2rem 0.55rem;
}
.badge-label {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.18em;
  color: var(--text3);
  text-transform: uppercase;
}
.badge-timer {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--purple);
  font-weight: 700;
  min-width: 2.8rem;
  text-align: right;
}

.app-layout { display: flex; flex: 1; overflow: hidden; height: calc(100vh - 56px); }

.sidebar { width: 220px; background: var(--bg2); border-right: 1px solid var(--border); overflow-y: auto; padding: 0.75rem 0; flex-shrink: 0; }
.sidebar-label { font-family: var(--font-mono); font-size: 0.6rem; color: var(--text3); letter-spacing: 0.2em; text-transform: uppercase; padding: 0.5rem 1rem; }

.nav-item { display: flex; align-items: center; gap: 0.6rem; padding: 0.6rem 1rem; color: var(--text2); text-decoration: none; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.05em; cursor: pointer; transition: all var(--transition); border-left: 2px solid transparent; position: relative; }
.nav-item:hover, .nav-item.active { background: var(--bg3); color: var(--text); border-left-color: var(--blue); }
.nav-item .icon { font-size: 1rem; }
.nav-badge { background: var(--blue); color: #fff; font-size: 0.6rem; padding: 0.1rem 0.35rem; border-radius: 10px; margin-left: auto; }
.nav-badge.pulse { background: var(--gold); animation: pulse-dot 1.5s infinite; }
.nav-item-critical { color: var(--gold); }
.nav-item-critical:hover { border-left-color: var(--gold); }

.main-content { flex: 1; overflow-y: auto; padding: 1.5rem; }
.app-layout.no-sidebar .main-content { padding: 1.5rem 2rem; }

/* ── SECTION HEADERS ───────────────────────────────────────── */
.section-header { margin-bottom: 1.5rem; border-bottom: 1px solid var(--border); padding-bottom: 1rem; }
.section-title { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text3); letter-spacing: 0.2em; text-transform: uppercase; }
.section-title strong { display: block; font-size: 1.1rem; color: var(--text); letter-spacing: 0.05em; margin-top: 0.25rem; }

/* ── DASHBOARD ─────────────────────────────────────────────── */
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }

.stat-card { background: var(--bg2); border: 1px solid var(--border); border-top: 2px solid var(--blue); padding: 1.25rem; border-radius: 3px; }
.stat-label { font-family: var(--font-mono); font-size: 0.6rem; color: var(--text3); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 0.4rem; }
.stat-value { font-family: var(--font-mono); font-size: 2rem; color: var(--blue-light); font-weight: 700; line-height: 1; }
.stat-sub { font-size: 0.7rem; color: var(--text3); margin-top: 0.3rem; }

.progress-bar-wrap { margin-top: 0.75rem; }
.progress-bar-track { background: var(--bg3); border-radius: 2px; height: 4px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: linear-gradient(90deg, var(--blue-dark), var(--blue-light)); border-radius: 2px; transition: width 0.5s ease; }

/* ── STORY CARD ────────────────────────────────────────────── */
.story-card { background: var(--bg2); border: 1px solid var(--border); border-left: 3px solid var(--blue); padding: 1.5rem; margin-bottom: 1.5rem; border-radius: 0 3px 3px 0; }
.story-phase-tag { font-family: var(--font-mono); font-size: 0.6rem; color: var(--text3); letter-spacing: 0.3em; text-transform: uppercase; margin-bottom: 0.5rem; }
.story-day-title { font-family: var(--font-mono); font-size: 1rem; color: var(--text); letter-spacing: 0.1em; font-weight: 600; margin-bottom: 1rem; }
.story-narrative p { color: var(--text2); font-size: 0.9rem; line-height: 1.7; margin-bottom: 0.75rem; }

/* ── OUTCOME CARDS ─────────────────────────────────────────── */
.outcome-card.good { border-left-color: var(--green2); }
.outcome-card.bad { border-left-color: var(--red); }
.outcome-narrative { color: var(--text2); font-size: 0.9rem; line-height: 1.7; }

/* ── OBJECTIVES ────────────────────────────────────────────── */
.objectives-panel { background: var(--bg2); border: 1px solid var(--border); padding: 1.25rem; border-radius: 3px; }
.objectives-title { font-family: var(--font-mono); font-size: 0.6rem; color: var(--text3); letter-spacing: 0.3em; text-transform: uppercase; margin-bottom: 1rem; }
.objective-item { display: flex; align-items: center; gap: 0.75rem; padding: 0.4rem 0; font-size: 0.85rem; color: var(--text2); border-bottom: 1px solid var(--border); }
.objective-item:last-child { border-bottom: none; }
.obj-icon { font-size: 0.85rem; }
.obj-done { color: var(--text3); text-decoration: line-through; }

/* ── AGENT SIDEBAR ─────────────────────────────────────────── */
.agent-mini { padding: 0.6rem 1rem; border-bottom: 1px solid var(--border); }
.agent-mini-name { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text2); margin-bottom: 0.3rem; }
.trust-bar { background: var(--bg3); border-radius: 2px; height: 3px; overflow: hidden; }
.trust-bar-fill { height: 100%; background: linear-gradient(90deg, #c0392b, #f39c12); border-radius: 2px; }

/* ── AGENT COMMS PAGE ──────────────────────────────────────── */
.agent-sidebar-item { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1rem; cursor: pointer; border-bottom: 1px solid var(--border); transition: background var(--transition); }
.agent-sidebar-item:hover:not(.locked) { background: var(--bg3); }
.agent-sidebar-item.active-chat { background: var(--bg3); border-left: 2px solid var(--blue); }
.agent-sidebar-item.locked { opacity: 0.4; cursor: not-allowed; }
.agent-avatar { font-size: 1.5rem; }
.agent-sidebar-name { font-family: var(--font-mono); font-size: 0.8rem; font-weight: 600; }
.agent-sidebar-callsign { font-family: var(--font-mono); font-size: 0.6rem; color: var(--text3); letter-spacing: 0.2em; }
.lock-icon { margin-left: auto; font-size: 0.9rem; }

.chat-layout { display: flex; flex-direction: column; height: 100%; padding: 0; }
.chat-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; color: var(--text3); font-family: var(--font-mono); font-size: 0.85rem; gap: 0.5rem; padding: 2rem; }
.chat-empty-icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.4; }

.chat-panel { display: flex; flex-direction: column; height: 100%; }
.chat-header { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); background: var(--bg2); flex-shrink: 0; }
.chat-agent-name { font-family: var(--font-mono); font-size: 0.9rem; font-weight: 700; letter-spacing: 0.1em; }
.chat-agent-callsign { font-family: var(--font-mono); font-size: 0.6rem; color: var(--text3); letter-spacing: 0.3em; margin-top: 0.1rem; }

.chat-messages { flex: 1; overflow-y: auto; padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
.chat-system-msg { text-align: center; font-family: var(--font-mono); font-size: 0.7rem; color: var(--text3); letter-spacing: 0.1em; padding: 0.5rem; }

.chat-bubble { max-width: 75%; padding: 0.9rem 1.1rem; border-radius: 4px; font-size: 0.85rem; line-height: 1.7; white-space: pre-wrap; word-break: break-word; }
.chat-bubble.user { background: var(--bg3); color: var(--text2); align-self: flex-end; border-bottom-right-radius: 1px; }
.chat-bubble.assistant { background: var(--bg2); border: 1px solid var(--border); color: var(--text); align-self: flex-start; border-bottom-left-radius: 1px; font-family: var(--font-mono); }
.chat-bubble.typing-indicator { opacity: 0.5; animation: pulse-dot 1s infinite; }

.chat-input-wrap { display: flex; gap: 0.75rem; padding: 1rem 1.5rem; border-top: 1px solid var(--border); background: var(--bg2); flex-shrink: 0; }
.chat-input { flex: 1; background: var(--bg3); border: 1px solid var(--border2); color: var(--text); padding: 0.65rem 0.9rem; font-family: var(--font-mono); font-size: 0.85rem; border-radius: 3px; outline: none; }
.chat-input:focus { border-color: var(--blue); }

/* ── PUZZLE CARDS ──────────────────────────────────────────── */
.puzzle-grid { display: flex; flex-direction: column; gap: 1.5rem; }

.puzzle-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 4px; padding: 1.5rem; }
.puzzle-card.solved { border-left: 3px solid var(--green2); opacity: 0.8; }

.puzzle-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; flex-wrap: wrap; }
.puzzle-difficulty { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.2em; padding: 0.2rem 0.5rem; border-radius: 2px; border: 1px solid; }
.puzzle-difficulty.easy { color: var(--green2); border-color: var(--green); }
.puzzle-difficulty.medium { color: var(--gold); border-color: var(--gold); }
.puzzle-difficulty.hard { color: #f87171; border-color: var(--red); }
.puzzle-title { font-family: var(--font-mono); font-size: 0.9rem; font-weight: 600; color: var(--text); }
.puzzle-solved-badge { margin-left: auto; font-family: var(--font-mono); font-size: 0.7rem; color: var(--green2); letter-spacing: 0.1em; }

.puzzle-intro { color: var(--text2); font-size: 0.85rem; line-height: 1.7; margin-bottom: 1rem; }
.cipher-display { background: var(--bg3); border: 1px solid var(--border2); padding: 1rem 1.25rem; font-family: var(--font-mono); font-size: 0.85rem; color: var(--gold); letter-spacing: 0.15em; margin-bottom: 1rem; border-radius: 3px; word-break: break-all; }
.puzzle-hint { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text3); margin-bottom: 1rem; padding: 0.75rem; background: rgba(37,99,235,0.05); border-left: 2px solid var(--blue); }
.puzzle-hint strong { color: var(--text2); }

.puzzle-input-row { display: flex; gap: 0.75rem; margin-bottom: 0.75rem; }
.puzzle-input { flex: 1; background: var(--bg3); border: 1px solid var(--border2); color: var(--text); padding: 0.65rem 0.9rem; font-family: var(--font-mono); font-size: 0.85rem; border-radius: 3px; outline: none; }
.puzzle-input:focus { border-color: var(--blue); }

.puzzle-feedback { font-family: var(--font-mono); font-size: 0.75rem; padding: 0.5rem 0; }
.puzzle-feedback.success { color: var(--green2); }
.puzzle-feedback.error { color: #f87171; }
.puzzle-answer-reveal { background: rgba(22,163,74,0.08); border: 1px solid rgba(22,163,74,0.3); padding: 0.75rem 1rem; font-family: var(--font-mono); font-size: 0.8rem; color: var(--green2); border-radius: 3px; }

.logic-question { color: var(--text2); font-size: 0.85rem; line-height: 1.7; margin-bottom: 1rem; padding: 1rem; background: var(--bg3); border-radius: 3px; border: 1px solid var(--border); }
.logic-options { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; }
.logic-option { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1rem; background: var(--bg3); border: 1px solid var(--border); border-radius: 3px; cursor: pointer; transition: border-color var(--transition); }
.logic-option:hover { border-color: var(--blue); }
.logic-option input[type="radio"] { accent-color: var(--blue); }
.logic-option-label { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text2); }

/* ── FIELD COMMS ───────────────────────────────────────────── */
.comms-feed { display: flex; flex-direction: column; gap: 1rem; }

.comms-message { background: var(--bg2); border: 1px solid var(--border); border-radius: 3px; overflow: hidden; }

.comms-meta { display: flex; align-items: center; gap: 1rem; padding: 0.6rem 1rem; background: var(--bg3); border-bottom: 1px solid var(--border); flex-wrap: wrap; }

.comms-channel { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; font-weight: 600; }
.channel-sms { color: var(--cyan); }
.channel-voice { color: var(--purple); }

.comms-agent { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.1em; margin-left: auto; }

.comms-body { padding: 1rem 1.25rem; font-family: var(--font-mono); font-size: 0.82rem; color: var(--text2); line-height: 1.8; white-space: pre-wrap; border-left: 3px solid var(--border2); }

.comms-message:has(.channel-sms) .comms-body { border-left-color: var(--cyan); }
.comms-message:has(.channel-voice) .comms-body { border-left-color: var(--purple); }

/* ── EMPTY STATE ───────────────────────────────────────────── */
.empty-state { text-align: center; padding: 4rem 2rem; color: var(--text3); font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.1em; line-height: 2; }

/* ── ANIMATIONS ────────────────────────────────────────────── */
.fade-in { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }