:root {
    --bg: #0b1020; --bg2: #121936; --text: #e8ecf8; --text-muted: #94a3b8;
    --glass-bg: rgba(255,255,255,.06); --glass-border: rgba(255,255,255,.12);
    --primary: #6366f1; --neon-blue: #38bdf8; --neon-green: #34d399; --coral: #fb7185; --accent: #fbbf24;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; margin: 0; }

/* Body'yi flex yapıp footer'ı en alta itiyoruz */
body { font-family: Inter, system-ui, sans-serif; background: radial-gradient(1200px 600px at 20% -10%, #1e2a5e 0, var(--bg) 60%) fixed, var(--bg); color: var(--text); display: flex; flex-direction: column; min-height: 100dvh; }

.hidden { display: none !important; }
.muted { color: var(--text-muted); } .small { font-size: 12px; }
button { font-family: inherit; }

.app { max-width: 760px; width: 100%; margin: 0 auto; flex: 1; display: flex; flex-direction: column; position: relative; z-index: 1; overflow: hidden; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: calc(10px + env(safe-area-inset-top)) 16px 10px; }
.brand { font-weight: 800; font-size: 18px; }
.quota-chip { background: var(--glass-bg); border: 1px solid var(--glass-border); color: var(--text); border-radius: 999px; padding: 7px 14px; font-size: 13px; cursor: pointer; }
main { flex: 1; position: relative; overflow: hidden; }
.view { position: absolute; inset: 0; display: none; overflow-y: auto; padding: 8px 16px 20px; flex-direction: column; gap: 14px; }
.view.active { display: flex; }
.view.chat-view { overflow: hidden; padding-bottom: 8px; gap: 8px; }

.glass-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 18px; padding: 16px; backdrop-filter: blur(10px); }
.card-title { font-weight: 700; margin-bottom: 10px; }
.hero h2 { margin: 0 0 4px; }
.text-input { width: 100%; margin-top: 8px; padding: 11px 12px; border-radius: 12px; border: 1px solid var(--glass-border); background: rgba(0,0,0,.25); color: var(--text); font-size: 14px; font-family: inherit; color-scheme: dark; }
input[type="date"] { color-scheme: dark; width: 100%; padding: 12px; border-radius: 12px; border: 1px solid var(--glass-border); background: rgba(0,0,0,0.25); color: var(--text-main); margin-top: 8px; }

.primary-btn { background: linear-gradient(135deg, var(--primary), #8b5cf6); color: #fff; border: 0; border-radius: 12px; padding: 12px 18px; font-weight: 700; font-size: 14px; cursor: pointer; }
.primary-btn:disabled { opacity: .6; cursor: not-allowed; }
.ghost-btn { background: var(--glass-bg); color: var(--text); border: 1px solid var(--glass-border); border-radius: 12px; padding: 12px 16px; font-size: 14px; cursor: pointer; }
.full { width: 100%; margin-top: 8px; }
.round-btn { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--glass-border); background: var(--glass-bg); color: var(--text); font-size: 18px; cursor: pointer; flex: none; }
.btn-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 10px; }

/* Panel */
.goal-card { display: flex; align-items: center; gap: 18px; }
.ring-wrap { position: relative; width: 110px; height: 110px; flex: none; }
.ring { width: 110px; height: 110px; transform: rotate(-90deg); }
.ring-track { fill: none; stroke: rgba(255,255,255,.1); stroke-width: 9; }
.ring-fill { fill: none; stroke: var(--neon-green); stroke-width: 9; stroke-linecap: round; transition: stroke-dashoffset .6s; }
.ring-text { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 20px; }
.goal-side { display: flex; flex-direction: column; gap: 6px; }
.goal-ctrl { display: flex; align-items: center; gap: 12px; font-size: 20px; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat { text-align: center; padding: 14px 8px; }
.stat-ico { font-size: 22px; }
.stat-val { font-size: 26px; font-weight: 800; margin: 2px 0; }
.mood-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mood-btn { padding: 11px; border-radius: 12px; border: 1px solid var(--glass-border); background: var(--glass-bg); color: var(--text); cursor: pointer; font-size: 14px; }
.mood-btn.active { border-color: var(--neon-blue); background: rgba(56,189,248,.15); }
.coach-note { margin-top: 12px; padding: 12px; border-radius: 12px; background: rgba(52,211,153,.1); border: 1px solid rgba(52,211,153,.3); font-size: 14px; line-height: 1.5; }
.coach-note p { margin: 0; }

/* Chips */
.cat-row { display: flex; gap: 8px; }
.cat-btn { flex: 1; padding: 10px; border-radius: 12px; border: 1px solid var(--glass-border); background: var(--glass-bg); color: var(--text); font-weight: 700; cursor: pointer; }
.cat-btn.active { background: linear-gradient(135deg, var(--primary), #8b5cf6); border-color: transparent; }
.chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 2px; flex: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { white-space: nowrap; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--glass-border); background: var(--glass-bg); color: var(--text); font-size: 13px; cursor: pointer; }
.chip.active { background: var(--primary); border-color: var(--primary); }

/* Chat */
.chat-scroll { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; padding: 6px 2px; min-height: 0; }
.message { display: flex; gap: 10px; align-items: flex-start; }
.message.user { justify-content: flex-end; }
.msg-avatar { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex: none; }
.msg-bubble { max-width: calc(100% - 50px); padding: 10px 14px; border-radius: 16px; font-size: 14px; line-height: 1.55; background: var(--glass-bg); border: 1px solid var(--glass-border); overflow-wrap: anywhere; }
.message.user .msg-bubble { max-width: 85%; background: linear-gradient(135deg, var(--primary), #8b5cf6); border: 0; }
.message.error .msg-bubble { border-color: var(--coral); color: #fecdd3; }
.msg-bubble p { margin: 0 0 8px; } .msg-bubble p:last-child { margin: 0; }
.msg-bubble ul, .msg-bubble ol { padding-left: 20px; margin: 6px 0; }
.msg-bubble pre { overflow-x: auto; background: rgba(0,0,0,.35); padding: 8px; border-radius: 8px; }
.msg-bubble .katex-display { overflow-x: auto; overflow-y: hidden; padding: 4px 0; }
.chat-img { display: block; max-width: 100%; width: 240px; border-radius: 12px; margin-bottom: 6px; background: #000; }

/* 3 Nokta Yerine Yazı */
.typing-text { font-size: 13px; color: var(--text-muted); font-style: italic; padding: 4px 0; }

.image-preview { position: relative; align-self: flex-start; margin-left: 4px; flex: none; }
.image-preview img { height: 84px; border-radius: 12px; border: 1px solid var(--glass-border); display: block; }
.preview-x { position: absolute; top: -8px; right: -8px; width: 24px; height: 24px; border-radius: 50%; border: 0; background: var(--coral); color: #fff; cursor: pointer; }
.composer { display: flex; gap: 8px; align-items: flex-end; flex: none; padding-top: 4px; }
.composer textarea { flex: 1; resize: none; max-height: 120px; padding: 11px 14px; border-radius: 14px; border: 1px solid var(--glass-border); background: rgba(0,0,0,.3); color: var(--text); font-size: 14px; font-family: inherit; }
.composer textarea:focus, .text-input:focus { outline: 1px solid var(--neon-blue); }
.icon-btn { width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; border-radius: 12px; background: var(--glass-bg); border: 1px solid var(--glass-border); cursor: pointer; font-size: 18px; flex: none; }
.send-btn { width: 42px; height: 42px; border-radius: 12px; border: 0; background: var(--neon-blue); color: #04202e; font-size: 18px; font-weight: 800; cursor: pointer; flex: none; }
.send-btn:disabled { opacity: .35; cursor: not-allowed; }

/* Koç */
.coach-head { display: none; align-items: center; gap: 10px; flex: none; }
#view-coach.chatting .coach-head { display: flex; }
.coach-intro { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; min-height: 0; }
#view-coach.chatting .coach-intro { display: none; }
#coach-messages { display: none; }
#view-coach.chatting #coach-messages { display: flex; }
.quick-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.quick-btn { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; text-align: left; padding: 14px; border-radius: 16px; border: 1px solid var(--glass-border); background: var(--glass-bg); color: var(--text); font-size: 13px; font-weight: 600; cursor: pointer; transition: .15s; }
.quick-btn span { font-size: 22px; }
.quick-btn:active { transform: scale(.97); }

/* Pomodoro */
.focus-card { text-align: center; }
.focus-card .chips { justify-content: center; }
.pomo-time { font-size: 76px; font-weight: 800; letter-spacing: 2px; margin: 18px 0 10px; font-variant-numeric: tabular-nums; }
.bar { height: 8px; background: rgba(255,255,255,.1); border-radius: 99px; overflow: hidden; }
.bar-fill { height: 100%; width: 0; background: var(--neon-green); transition: width .3s; }
.pomo-full { position: fixed; inset: 0; z-index: 1000; background: #05070f; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 20px; }
.pomo-full-label { color: var(--text-muted); font-size: 18px; }
.pomo-full-time { font-size: clamp(80px,24vw,280px); font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; color: #fff; }

/* Arşiv / PDF */
.badge { font-size: 11px; background: rgba(251,191,36,.15); color: var(--accent); border: 1px solid rgba(251,191,36,.4); padding: 2px 8px; border-radius: 99px; margin-left: 6px; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 10px 0; }
.check-grid label { display: flex; align-items: center; gap: 8px; font-size: 13px; padding: 8px 10px; border-radius: 10px; background: rgba(0,0,0,.2); cursor: pointer; }
.count-row { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.count-row .small { flex: 1; }
.count-input { width: 60px; text-align: center; padding: 8px; border-radius: 10px; border: 1px solid var(--glass-border); background: rgba(0,0,0,.3); color: var(--text); font-size: 15px; }
.arch-img { width: 100%; max-height: 250px; object-fit: contain; border-radius: 12px; margin-bottom: 12px; background: rgba(0,0,0,.3); }
.arch-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.arch-tag { background: var(--primary); padding: 4px 10px; border-radius: 6px; font-size: 12px; font-weight: 600; }
.archive-answer { font-size: 14px; line-height: 1.6; margin-top: 10px; }

/* Premium / Ayarlar */
.settings-container { padding: 0 4px; display: flex; flex-direction: column; }
.view-title { font-size: 24px; font-weight: 800; margin-bottom: 16px; color: var(--text); }
.settings-list { display: flex; flex-direction: column; gap: 10px; }
.setting-item { display: flex; align-items: center; background: var(--glass-bg); border-radius: 16px; padding: 16px; cursor: pointer; transition: background 0.2s; border: 1px solid var(--glass-border); }
.setting-item:hover { background: rgba(255,255,255,0.1); }
.setting-icon { font-size: 22px; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.05); border-radius: 12px; margin-right: 16px; flex-shrink: 0; }
.setting-content { flex: 1; }
.setting-title { font-weight: 700; font-size: 16px; margin-bottom: 4px; color: var(--text); }
.setting-desc { font-size: 13px; color: var(--text-muted); }
.setting-arrow { font-size: 22px; color: var(--text-muted); }

.subpage-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.subpage-header h2 { font-size: 20px; font-weight: 800; margin: 0; }
.back-btn { background: var(--glass-bg); border: 1px solid var(--glass-border); color: var(--text); width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 18px; }

.plans { display: flex; flex-direction: column; gap: 12px; }
.plan { position: relative; background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 18px; padding: 18px; }
.plan.popular { border-color: var(--accent); box-shadow: 0 0 0 1px rgba(251,191,36,.3); }
.ribbon { position: absolute; top: -10px; right: 16px; background: var(--accent); color: #3b2a00; font-size: 11px; font-weight: 800; padding: 3px 10px; border-radius: 99px; }
.plan-name { font-weight: 700; color: var(--text-muted); }
.plan-price { font-size: 34px; font-weight: 800; margin: 4px 0 8px; }
.plan-price small { font-size: 14px; color: var(--text-muted); font-weight: 500; margin-left: 4px; }

/* Footer (En altta) */
.footer-credit {
    text-align: center;
    padding: 12px;
    background: var(--bg);
    border-top: 1px solid var(--glass-border);
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
}
.footer-credit p { margin: 2px 0; font-size: 11px; color: var(--text-muted); }
.footer-credit strong { color: var(--text); }
.footer-credit .company-name { font-weight: 800; color: var(--neon-blue); font-size: 13px; letter-spacing: 0.5px; }

/* Alt menü */
.bottom-nav { display: flex; padding: 6px 6px calc(6px + env(safe-area-inset-bottom)); background: rgba(10,14,30,.92); border-top: 1px solid var(--glass-border); backdrop-filter: blur(12px); flex-shrink: 0; }
.nav-item { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; background: none; border: 0; color: var(--text-muted); font-size: 10.5px; padding: 6px 0; cursor: pointer; border-radius: 10px; }
.nav-item span { font-size: 20px; }
.nav-item.active { color: #fff; background: rgba(99,102,241,.25); }

/* Toast & Modal */
.toast { position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%); background: #1e293b; border: 1px solid var(--glass-border); padding: 11px 18px; border-radius: 12px; z-index: 2000; font-size: 14px; max-width: 90%; text-align: center; box-shadow: 0 8px 30px rgba(0,0,0,.4); }
.modal { position: fixed; inset: 0; z-index: 1500; background: rgba(0,0,0,.65); display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal-box { background: var(--bg2); border: 1px solid var(--glass-border); border-radius: 20px; padding: 24px; max-width: 380px; width: 100%; text-align: center; }
.modal-box h3 { margin: 6px 0; }