/* ============================================
   Kurtlar Verisi Pusu Pomodoro — v5
   Light/Dark · Smooth · Premium
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ═══════════════════════════════════════════
   THEME VARIABLES
   ═══════════════════════════════════════════ */

[data-theme="light"] {
  --bg: #F5F0EB;
  --bg-subtle: #EDE7E0;
  --card: #FFFFFF;
  --card-hover: #FEFEFE;
  --card-shadow: 0 2px 8px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.06);
  --card-shadow-hover: 0 4px 12px rgba(0,0,0,0.06), 0 12px 32px rgba(0,0,0,0.1);
  --card-border: rgba(0,0,0,0.05);
  --card-border-hover: rgba(0,0,0,0.08);
  --text: #1A1714;
  --text-secondary: #6B6158;
  --text-muted: #A99E94;
  --accent: #C27A4A;
  --accent-light: rgba(194,122,74,0.1);
  --accent-glow: rgba(194,122,74,0.15);
  --accent-text: #B06830;
  --break-color: #5BA08A;
  --break-light: rgba(91,160,138,0.1);
  --break-glow: rgba(91,160,138,0.15);
  --active-dot: #4CAF50;
  --warning: #E6A23C;
  --danger: #E56B6B;
  --input-bg: #F5F0EB;
  --input-border: #E0D9D1;
  --input-focus: rgba(194,122,74,0.2);
  --chip-bg: #F5F0EB;
  --chip-border: #E0D9D1;
  --chip-selected-bg: rgba(194,122,74,0.12);
  --chip-selected-border: #C27A4A;
  --modal-overlay: rgba(0,0,0,0.3);
  --modal-bg: #FFFFFF;
  --bar-track: #F0EBE5;
  --bar-fill: linear-gradient(90deg, #C27A4A, #D4966A);
  --history-bg: #FAF7F4;
  --history-border: #EDE7E0;
  --toggle-bg: #E8E2DB;
}

[data-theme="dark"] {
  --bg: #0E0D0B;
  --bg-subtle: #161411;
  --card: #1C1916;
  --card-hover: #211E1A;
  --card-shadow: 0 2px 8px rgba(0,0,0,0.2), 0 8px 24px rgba(0,0,0,0.3);
  --card-shadow-hover: 0 4px 12px rgba(0,0,0,0.25), 0 16px 40px rgba(0,0,0,0.4);
  --card-border: rgba(255,200,160,0.06);
  --card-border-hover: rgba(255,200,160,0.1);
  --text: #F0EBE3;
  --text-secondary: #A89888;
  --text-muted: #6B5F53;
  --accent: #D4895E;
  --accent-light: rgba(212,137,94,0.1);
  --accent-glow: rgba(212,137,94,0.12);
  --accent-text: #E8A87C;
  --break-color: #7CB4A0;
  --break-light: rgba(124,180,160,0.1);
  --break-glow: rgba(124,180,160,0.12);
  --active-dot: #6BBF7A;
  --warning: #FFB74D;
  --danger: #E57373;
  --input-bg: #141210;
  --input-border: #2A2520;
  --input-focus: rgba(212,137,94,0.15);
  --chip-bg: #1A1714;
  --chip-border: #2A2520;
  --chip-selected-bg: rgba(212,137,94,0.12);
  --chip-selected-border: #D4895E;
  --modal-overlay: rgba(0,0,0,0.6);
  --modal-bg: #1C1916;
  --bar-track: #1A1714;
  --bar-fill: linear-gradient(90deg, #D4895E, #E8A87C);
  --history-bg: #141210;
  --history-border: #2A2520;
  --toggle-bg: #2A2520;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 14px; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  min-height: 100vh;
  color: var(--text);
  transition: background 0.4s ease, color 0.3s ease;
}

.app-container { max-width: 1080px; margin: 0 auto; padding: 12px 16px 24px; }

/* HEADER */
.app-header { display: flex; align-items: center; justify-content: center; margin-bottom: 14px; position: relative; }
.app-header h1 { font-size: 1.2rem; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.wolf-icon { font-size: 1.4rem; }
.subtitle { font-size: 0.65rem; font-weight: 400; color: var(--text-muted); letter-spacing: 0.12em; text-transform: uppercase; margin-left: 10px; }

.theme-toggle {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  background: var(--toggle-bg); border: none; border-radius: 50px;
  width: 40px; height: 24px; cursor: pointer; display: flex; align-items: center;
  justify-content: center; font-size: 0.85rem; transition: background 0.3s; outline: none;
}
.theme-toggle:hover { opacity: 0.8; }

/* CARD */
.card {
  background: var(--card); border: 1px solid var(--card-border); border-radius: 14px;
  padding: 16px; box-shadow: var(--card-shadow);
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.card-title {
  font-size: 0.68rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px;
}

/* SESSION TABS */
.session-tabs { display: flex; gap: 3px; margin-bottom: 12px; background: var(--input-bg); border-radius: 9px; padding: 3px; }
.session-tab {
  flex: 1; padding: 7px 10px; border: none; border-radius: 7px; background: transparent;
  color: var(--text-muted); font-family: 'Inter', sans-serif; font-size: 0.73rem;
  font-weight: 500; cursor: pointer; transition: all 0.2s; text-align: center;
}
.session-tab:hover { color: var(--text-secondary); }
.session-tab.active { background: var(--card); color: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,0.08); font-weight: 600; }

/* MAIN GRID */
.main-grid { display: grid; grid-template-columns: 280px 1fr; gap: 14px; margin-bottom: 14px; align-items: stretch; }

/* TIMER */
.timer-section { display: flex; flex-direction: column; align-items: center; }
.timer-wrapper { position: relative; width: 210px; height: 210px; margin-bottom: 12px; }
.timer-svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.timer-track { fill: none; stroke: var(--bg-subtle); stroke-width: 5; transition: stroke 0.3s; }
.timer-progress {
  fill: none; stroke: url(#timerGradient); stroke-width: 5; stroke-linecap: round;
  transition: stroke-dashoffset 0.5s linear; filter: drop-shadow(0 0 6px var(--accent-glow));
}
.timer-progress.break-mode { stroke: url(#breakGradient); filter: drop-shadow(0 0 6px var(--break-glow)); }

.timer-center { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; }
.timer-time { font-size: 2.6rem; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; color: var(--text); }
.timer-phase { font-size: 0.72rem; font-weight: 500; color: var(--text-muted); margin-top: 3px; }
.timer-topic-display { font-size: 0.65rem; font-weight: 600; color: var(--accent); margin-top: 2px; max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.timer-controls { display: flex; gap: 6px; margin-bottom: 10px; }

/* BUTTONS */
.btn {
  font-family: 'Inter', sans-serif; font-size: 0.75rem; font-weight: 500;
  border: none; border-radius: 8px; padding: 7px 16px; cursor: pointer;
  transition: all 0.2s ease; display: inline-flex; align-items: center; gap: 5px; outline: none;
}
.btn:active { transform: scale(0.96); }
.btn-primary { background: var(--accent); color: #FFF; box-shadow: 0 2px 8px var(--accent-glow); }
.btn-primary:hover { filter: brightness(1.1); box-shadow: 0 4px 14px var(--accent-glow); transform: translateY(-1px); }
.btn-secondary { background: var(--chip-bg); color: var(--text-secondary); border: 1px solid var(--chip-border); }
.btn-secondary:hover { background: var(--card-hover); color: var(--text); }
.btn-danger { background: rgba(229,107,107,0.08); color: var(--danger); border: 1px solid rgba(229,107,107,0.15); }
.btn-danger:hover { background: rgba(229,107,107,0.15); }
.btn-sm { padding: 5px 12px; font-size: 0.7rem; }
.btn-start { width: 100%; justify-content: center; padding: 9px; font-size: 0.8rem; font-weight: 600; margin-top: 8px; border-radius: 10px; }

/* DURATION */
.duration-settings { display: flex; gap: 12px; }
.duration-group { text-align: center; }
.duration-label { font-size: 0.6rem; color: var(--text-muted); margin-bottom: 3px; display: block; }
.duration-input-wrap { display: flex; align-items: center; gap: 1px; background: var(--input-bg); border: 1px solid var(--input-border); border-radius: 7px; padding: 2px; }
.duration-btn { width: 24px; height: 24px; border: none; border-radius: 5px; background: transparent; color: var(--text-secondary); font-size: 0.85rem; font-family: 'Inter'; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background 0.15s; }
.duration-btn:hover { background: var(--accent-light); color: var(--accent); }
.duration-value {
  font-size: 0.9rem; font-weight: 600; color: var(--text);
  width: 32px; text-align: center;
  background: transparent; border: none; outline: none;
  font-family: inherit;
}
.duration-unit { font-size: 0.55rem; color: var(--text-muted); margin-top: 2px; display: block; }

.right-panel { display: flex; flex-direction: column; gap: 14px; height: 100%; }

/* CHIPS */
.participant-chips { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 8px; }
.chip {
  font-family: 'Inter', sans-serif; font-size: 0.72rem; font-weight: 500;
  padding: 4px 12px; border-radius: 50px; background: var(--chip-bg);
  border: 1px solid var(--chip-border); color: var(--text-secondary);
  cursor: pointer; transition: all 0.2s; user-select: none;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.selected { background: var(--chip-selected-bg); border-color: var(--chip-selected-border); color: var(--accent-text); font-weight: 600; }
.chip-add { border-style: dashed; color: var(--text-muted); }
.chip-add:hover { border-color: var(--accent); color: var(--accent); }

/* TOPIC INPUTS */
.topic-inputs-container { display: flex; flex-direction: column; gap: 5px; }
.topic-input-row { display: flex; align-items: center; gap: 8px; }
.topic-input-name { font-size: 0.72rem; font-weight: 600; color: var(--accent); min-width: 55px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.text-input {
  font-family: 'Inter', sans-serif; font-size: 0.78rem; width: 100%;
  background: var(--input-bg); border: 1px solid var(--input-border); border-radius: 7px;
  padding: 7px 10px; color: var(--text); outline: none; transition: all 0.2s;
}
.text-input::placeholder { color: var(--text-muted); }
.text-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--input-focus); }
.text-input-sm { padding: 6px 8px; font-size: 0.72rem; }

/* JOIN MODAL */
.join-section { margin-bottom: 10px; }
.input-label { display: block; font-size: 0.65rem; font-weight: 600; color: var(--text-muted); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.05em; }

/* ACTIVE SESSIONS */
.sessions-card { display: flex; flex-direction: column; flex: 1; }
.active-badge { background: rgba(76,175,80,0.1); color: var(--active-dot); font-size: 0.68rem; font-weight: 700; padding: 1px 7px; border-radius: 50px; margin-left: auto; }
.sessions-list { display: flex; flex-direction: column; gap: 5px; flex: 1; min-height: 0; overflow-y: auto; padding-right: 2px; }
.sessions-list::-webkit-scrollbar { width: 3px; }
.sessions-list::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 3px; }

.session-group { background: var(--bg-subtle); border-radius: 10px; padding: 8px 10px; transition: background 0.3s; }
.session-group-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 5px; }
.session-group-topic { font-size: 0.7rem; font-weight: 600; color: var(--text-secondary); display: flex; align-items: center; gap: 5px; min-width: 0; overflow: hidden; }
.session-group-topic .topic-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.session-group-timer { font-size: 0.82rem; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; flex-shrink: 0; }
.session-group-members { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }

.session-member {
  display: inline-flex; align-items: center; gap: 3px; font-size: 0.65rem;
  color: var(--text-secondary); background: var(--card); padding: 2px 7px;
  border-radius: 50px; border: 1px solid var(--card-border);
}
.dot { width: 5px; height: 5px; border-radius: 50%; background: var(--active-dot); animation: pulse 2s ease-in-out infinite; flex-shrink: 0; }
.dot.break { background: var(--break-color); }
.dot.paused { background: var(--warning); animation: none; }

.phase-tag { font-size: 0.58rem; font-weight: 600; padding: 1px 6px; border-radius: 50px; text-transform: uppercase; letter-spacing: 0.03em; }
.phase-tag.working { background: var(--accent-light); color: var(--accent); }
.phase-tag.break { background: var(--break-light); color: var(--break-color); }
.phase-tag.paused { background: rgba(230,162,60,0.1); color: var(--warning); }

.btn-join {
  font-family: 'Inter', sans-serif; font-size: 0.6rem; font-weight: 600; padding: 2px 9px;
  border-radius: 50px; border: 1px solid rgba(91,160,138,0.2); background: var(--break-light);
  color: var(--break-color); cursor: pointer; transition: all 0.2s; margin-left: auto;
}
.btn-join:hover { background: rgba(91,160,138,0.2); transform: scale(1.04); }

.empty-state { text-align: center; padding: 14px 10px; color: var(--text-muted); font-size: 0.75rem; }
.empty-state .empty-icon { font-size: 1.3rem; margin-bottom: 3px; opacity: 0.5; }

/* ANALYTICS */
.analytics-section { transition: background 0.3s; }
.analytics-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--history-border);
  gap: 16px;
  flex-wrap: wrap;
}
.search-input-wrapper {
  position: relative;
  max-width: 220px;
  width: 100%;
}
.search-input-wrapper .search-icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.75rem;
  opacity: 0.6;
  pointer-events: none;
}
.search-input-wrapper .search-input {
  width: 100%;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 50px;
  padding: 6px 12px 6px 28px;
  color: var(--text);
  outline: none;
  transition: all 0.25s ease;
}
.search-input-wrapper .search-input::placeholder {
  color: var(--text-muted);
}
.search-input-wrapper .search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
  background: var(--card);
}
.analytics-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 8px; }

.analytics-participant {
  background: var(--bg-subtle); border-radius: 10px; padding: 12px; cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s; border: 1px solid transparent;
}
.analytics-participant:hover { background: var(--card); border-color: var(--card-border); box-shadow: 0 2px 8px rgba(0,0,0,0.04); }

.analytics-header { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.analytics-name { font-size: 0.82rem; font-weight: 600; color: var(--text); }
.analytics-total { font-size: 0.65rem; font-weight: 600; background: var(--accent-light); color: var(--accent); padding: 2px 8px; border-radius: 50px; margin-left: auto; }
.expand-icon { font-size: 0.6rem; color: var(--text-muted); transition: transform 0.2s; margin-left: 4px; }
.analytics-participant.expanded .expand-icon { transform: rotate(180deg); }
.topic-summary { display: flex; flex-direction: column; gap: 3px; }
.topic-row { display: flex; align-items: center; padding: 3px 0; }
.topic-name { font-size: 0.7rem; color: var(--text-secondary); min-width: 55px; }
.topic-bar-wrap { flex: 1; margin: 0 8px; height: 3px; background: var(--bar-track); border-radius: 3px; overflow: hidden; }
.topic-bar { height: 100%; background: var(--bar-fill); border-radius: 3px; transition: width 0.5s ease; }
.topic-duration { font-size: 0.7rem; font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; min-width: 45px; text-align: right; }

.history-detail { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, margin 0.35s ease, opacity 0.3s ease; opacity: 0; margin-top: 0; }
.analytics-participant.expanded .history-detail { max-height: 400px; opacity: 1; margin-top: 8px; overflow-y: auto; }
.history-list { border-top: 1px solid var(--history-border); padding-top: 6px; }
.history-item { display: flex; align-items: center; padding: 4px 0; font-size: 0.65rem; color: var(--text-secondary); border-bottom: 1px solid var(--history-border); }
.history-item:last-child { border-bottom: none; }
.history-date { min-width: 80px; color: var(--text-muted); }
.history-topic { flex: 1; font-weight: 500; color: var(--text); }
.history-duration { font-weight: 600; color: var(--accent); min-width: 45px; text-align: right; }

/* PAGINATION */
.pagination { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 10px; }
.pagination:empty { display: none; }
.page-btn {
  font-family: 'Inter', sans-serif; font-size: 0.7rem; font-weight: 500; padding: 4px 10px;
  border-radius: 6px; border: 1px solid var(--chip-border); background: var(--chip-bg);
  color: var(--text-secondary); cursor: pointer; transition: all 0.2s;
}
.page-btn:hover { border-color: var(--accent); color: var(--accent); }
.page-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.page-btn:disabled { opacity: 0.4; cursor: default; }
.page-info { font-size: 0.65rem; color: var(--text-muted); }

/* MODAL */
.modal-overlay { position: fixed; inset: 0; background: var(--modal-overlay); backdrop-filter: blur(4px); z-index: 100; display: none; align-items: center; justify-content: center; }
.modal-overlay.active { display: flex; }
.modal { background: var(--modal-bg); border: 1px solid var(--card-border); border-radius: 16px; padding: 20px; max-width: 380px; width: 92%; box-shadow: 0 20px 60px rgba(0,0,0,0.3); animation: scaleIn 0.2s ease; }
.modal-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.modal-subtitle { font-size: 0.72rem; color: var(--text-secondary); margin-bottom: 12px; }
.modal-actions { display: flex; gap: 6px; justify-content: flex-end; margin-top: 14px; }

/* TOAST */
.toast-container { position: fixed; top: 10px; right: 10px; z-index: 200; display: flex; flex-direction: column; gap: 5px; }
.toast { background: var(--card); border: 1px solid var(--card-border); border-radius: 10px; padding: 8px 12px; color: var(--text); font-size: 0.75rem; box-shadow: 0 4px 16px rgba(0,0,0,0.15); animation: slideInRight 0.25s ease; display: flex; align-items: center; gap: 6px; max-width: 320px; }
.toast.success { border-left: 3px solid var(--active-dot); }
.toast.info { border-left: 3px solid var(--break-color); }
.toast.warning { border-left: 3px solid var(--warning); }

@keyframes fadeInDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.94); } to { opacity: 1; transform: scale(1); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

@media (max-width: 680px) {
  .main-grid { grid-template-columns: 1fr; }
  .timer-wrapper { width: 180px; height: 180px; }
  .timer-time { font-size: 2rem; }
  .app-header h1 { font-size: 1rem; }
  .subtitle { display: none; }
  .analytics-grid { grid-template-columns: 1fr; }
  .search-input { max-width: 100%; }
}

.hidden { display: none !important; }