/* Gemeinsames Aussehen für Startseite, Kapitel 1 und Kapitel 2 */
* { box-sizing: border-box; }
:root { --c1: #1d5fbf; --c2: #3fa7e0; --c3: #f08c00; --bg: #eef5ff; }
body { margin: 0; font-family: -apple-system, "Helvetica Neue", Arial, sans-serif; color: #22324a; background: var(--bg); padding-bottom: 50px; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 18px; }
header { background: #fff; box-shadow: 0 2px 10px rgba(0,40,100,.12); }
.top { display: flex; align-items: center; gap: 16px; padding: 14px 0; }
.logo { width: 64px; height: 64px; border-radius: 18px; background: linear-gradient(135deg, var(--c2), var(--c1)); display: grid; place-items: center; font-size: 36px; flex: none; box-shadow: 0 4px 10px rgba(0,0,0,.18); }
.brand h1 { margin: 0; font-size: 28px; color: var(--c1); }
.brand p { margin: 2px 0 0; color: var(--c3); font-weight: 700; }
nav { background: var(--c1); }
nav .wrap { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px 18px; }
nav button, nav a { background: transparent; border: 0; color: #fff; font: inherit; font-weight: 700; font-size: 15px; padding: 9px 12px; border-radius: 10px; cursor: pointer; text-decoration: none; }
nav button:hover, nav a:hover { background: rgba(255,255,255,.2); }
h2.section { color: var(--c1); margin: 28px 0 12px; font-size: 24px; }
.hero { display: grid; grid-template-columns: 1.3fr 1fr; gap: 22px; margin: 22px 0; }
.panel { background: #fff; border-radius: 22px; padding: 20px 22px; box-shadow: 0 6px 18px rgba(0,40,100,.10); }
.panel h3 { margin: 0 0 8px; color: var(--c1); }
.panel p { margin: 6px 0; line-height: 1.5; font-size: 16px; }
.doc { display: flex; gap: 16px; align-items: flex-start; }
.doc .face { font-size: 60px; line-height: 1; flex: none; }
.steps { background: linear-gradient(135deg, var(--c2), var(--c1)); color: #fff; border-radius: 22px; padding: 20px 22px; }
.steps h2 { margin: 0 0 10px; font-size: 20px; }
.steps ul { list-style: none; margin: 0; padding: 0; line-height: 1.9; }
.tip { margin-top: 10px; background: #fffbe0; color: #5a4300; border-radius: 12px; padding: 10px 12px; display: none; }
.big-btn { display: inline-block; border: 0; border-radius: 14px; padding: 12px 18px; font: inherit; font-weight: 800; font-size: 16px; cursor: pointer; color: #fff; background: var(--c2); box-shadow: 0 4px 0 rgba(0,0,0,.2); text-decoration: none; }
.big-btn:hover { filter: brightness(1.08); }
.big-btn:active { transform: translateY(3px); box-shadow: none; }
.big-btn:disabled { opacity: .5; cursor: not-allowed; }
.big-btn.green { background: #2bb673; } .big-btn.orange { background: #f08c00; } .big-btn.grey { background: #8796ad; } .big-btn.pink { background: #ff6b8b; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
/* Gerät (Ofenbot / Tür) */
.device { text-align: center; padding: 26px; }
.device .big { font-size: 90px; line-height: 1.1; }
.device .state { font-size: 22px; font-weight: 900; margin-top: 8px; color: #d0441e; }
.device.locked .big { animation: wobble 2.4s ease-in-out infinite; }
.device.open .state { color: #1d8a54; }
@keyframes wobble { 0%,100% { transform: rotate(0); } 10% { transform: rotate(-6deg); } 20% { transform: rotate(6deg); } 30% { transform: rotate(0); } }
/* Dateien */
.files { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.file { border: 0; background: #fff; border-radius: 16px; padding: 14px; text-align: left; font: inherit; font-weight: 800; color: var(--c1); cursor: pointer; box-shadow: 0 4px 12px rgba(0,40,100,.10); }
.file span { display: block; font-size: 34px; margin-bottom: 4px; }
.file.read { outline: 3px solid #8fe3a6; }
.file.open { background: #fff7e0; }
.viewer { margin-top: 14px; background: #1d2740; color: #d6f5d0; font-family: Menlo, Monaco, monospace; border-radius: 14px; padding: 16px; white-space: pre-wrap; font-size: 16px; line-height: 1.5; min-height: 60px; }
/* Tastatur */
.pw { font-family: Menlo, Monaco, monospace; font-size: 28px; letter-spacing: 6px; background: #1d2740; color: #7dffb0; border-radius: 12px; padding: 10px 14px; min-height: 56px; margin: 10px 0; text-transform: uppercase; }
.keys { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.keys button { width: 50px; height: 50px; border: 0; border-radius: 12px; font: inherit; font-size: 21px; font-weight: 900; text-transform: uppercase; background: var(--c2); color: #fff; box-shadow: 0 4px 0 rgba(0,0,0,.2); cursor: pointer; }
.keys button.num { background: #8a63d2; }
.keys button:active { transform: translateY(3px); box-shadow: none; }
.msg { margin-top: 10px; border-radius: 12px; padding: 10px 12px; font-weight: 700; display: none; line-height: 1.4; }
.msg.bad { display: block; background: #ffe3dc; color: #b8261c; }
.msg.warn { display: block; background: #fff4e3; color: #a06200; }
.msg.good { display: block; background: #dcfbe5; color: #1d8a54; }
/* Caesar-Code-Knacker */
.caesar .sel { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.caesar .sel button { border: 0; border-radius: 12px; padding: 9px 12px; font: inherit; font-weight: 800; cursor: pointer; background: #eef3ff; color: var(--c1); }
.caesar .sel button.on { background: var(--c1); color: #fff; }
.abc { font-family: Menlo, Monaco, monospace; font-size: 15px; overflow-x: auto; background: #f6f8fc; border-radius: 12px; padding: 8px; }
.abc .row { display: flex; gap: 2px; }
.abc .row span { width: 24px; text-align: center; padding: 3px 0; border-radius: 5px; flex: none; }
.abc .row.top span { background: #ffe3dc; color: #b8261c; font-weight: 700; }
.abc .row.bot span { background: #dcfbe5; color: #1d8a54; font-weight: 700; }
.abc .arrow { text-align: left; color: #8796ad; font-size: 12px; padding: 2px 4px; }
.shift { display: flex; align-items: center; gap: 12px; margin: 12px 0; flex-wrap: wrap; }
.shift b { font-size: 20px; }
.cipher { font-family: Menlo, Monaco, monospace; font-size: 24px; letter-spacing: 3px; padding: 8px 12px; border-radius: 10px; background: #ffe3dc; color: #b8261c; }
.plain { font-family: Menlo, Monaco, monospace; font-size: 28px; letter-spacing: 3px; padding: 10px 12px; border-radius: 10px; background: #dcfbe5; color: #1d8a54; margin-top: 8px; font-weight: 900; }
/* Feier */
#party { position: fixed; inset: 0; background: rgba(15,30,70,.55); display: none; place-items: center; z-index: 20; padding: 16px; }
#party.show { display: grid; }
.party-box { background: #fff; border-radius: 28px; padding: 26px 30px; max-width: 640px; width: 100%; text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,.35); max-height: 92vh; overflow-y: auto; }
.party-box .trophy { font-size: 70px; }
.party-box p { font-size: 17px; line-height: 1.5; margin: 6px 0; }
.party-box .title { font-size: 26px; font-weight: 900; color: var(--c1); }
.confetti { position: fixed; top: -20px; width: 12px; height: 18px; z-index: 21; pointer-events: none; animation: fall linear forwards; }
@keyframes fall { to { transform: translateY(110vh) rotate(720deg); } }
footer { margin-top: 34px; background: var(--c1); color: #e6efff; padding: 16px 0; font-size: 14px; }
@media (max-width: 800px) { .hero, .two { grid-template-columns: 1fr; } }