* {
  box-sizing: border-box;
}

.hidden {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #0b0d17;
  background-image:
    radial-gradient(1px 1px at 20px 30px, #fff, transparent),
    radial-gradient(1px 1px at 40px 70px, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 50px 160px, #fff, transparent),
    radial-gradient(1.5px 1.5px at 90px 40px, rgba(255,255,255,0.9), transparent),
    radial-gradient(1px 1px at 130px 80px, #fff, transparent),
    radial-gradient(1px 1px at 160px 120px, rgba(255,255,255,0.7), transparent),
    radial-gradient(2px 2px at 200px 50px, #a5b4fc, transparent),
    radial-gradient(1px 1px at 250px 180px, #fff, transparent),
    radial-gradient(1px 1px at 300px 90px, rgba(255,255,255,0.6), transparent),
    radial-gradient(1.5px 1.5px at 350px 140px, #c4b5fd, transparent),
    linear-gradient(180deg, #0b0d17 0%, #12152b 50%, #1a1040 100%);
  background-size: 400px 300px, 400px 300px, 400px 300px, 400px 300px,
                   400px 300px, 400px 300px, 400px 300px, 400px 300px,
                   400px 300px, 400px 300px, 100% 100%;
  color: #e2e8f0;
  font-family: 'Space Grotesk', sans-serif;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: clamp(20px, 4vw, 44px) 20px 90px;
}

/* Header */
.name h1 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 32px;
  margin: 0;
  color: #f8fafc;
  text-shadow: 0 0 20px rgba(129, 140, 248, 0.5);
}

.sous-titre {
  font-size: 13px;
  color: #a5b4fc;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.plan {
  margin: 0 0 24px;
  color: #94a3b8;
}

/* Nav */
nav {
  display: flex;
  gap: 6px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(129, 140, 248, 0.35);
  border-radius: 12px;
  padding: 5px;
  margin-bottom: 18px;
  backdrop-filter: blur(8px);
}

nav button {
  flex: 1;
  background: transparent;
  color: #94a3b8;
  border: none;
  border-radius: 8px;
  padding: 10px 8px;
  cursor: pointer;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  transition: 0.2s;
}

nav button:hover {
  color: #e2e8f0;
  background: rgba(99, 102, 241, 0.15);
}

nav button.active {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.45);
}

/* Cards */
.card {
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(129, 140, 248, 0.25);
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 18px;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.card h3 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  color: #e0e7ff;
  margin: 0 0 14px;
}

/* Form */
label {
  display: block;
  font-size: 11px;
  color: #a5b4fc;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

input[type="text"],
input[type="date"],
input[type="number"],
select {
  width: 100%;
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid rgba(129, 140, 248, 0.3);
  border-radius: 8px;
  color: #f1f5f9;
  padding: 10px 12px;
  font-size: 14px;
  font-family: 'Space Grotesk', sans-serif;
}

input:focus,
select:focus {
  outline: none;
  border-color: #818cf8;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

select {
  cursor: pointer;
}

select option {
  background: #1e293b;
  color: #f1f5f9;
}

.tab {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.tab > div {
  flex: 1;
  min-width: 150px;
}

/* Buttons */
.btn {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 14px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  padding: 10px 16px;
  cursor: pointer;
  margin-top: 12px;
  transition: 0.2s;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.reset {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 12px;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
  margin-top: 14px;
}

.reset:hover {
  color: #c4b5fd;
}

/* Topics */
.topic-add {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.topic-add input {
  flex: 1;
}

#topics-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.tag {
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(129, 140, 248, 0.4);
  border-radius: 20px;
  padding: 6px 10px 6px 14px;
  font-size: 13px;
  color: #e0e7ff;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tag .remove-topic {
  background: none;
  border: none;
  color: #a5b4fc;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0;
}

.tag .remove-topic:hover {
  color: #f472b6;
}

/* Schedule */
.day-card {
  border: 1px solid rgba(129, 140, 248, 0.25);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 10px;
  background: rgba(30, 41, 59, 0.6);
}

.day-card strong {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: #a5b4fc;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.day-card ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
  font-size: 14px;
  color: #cbd5e1;
}

.task {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 6px 0;
  cursor: pointer;
  color: #cbd5e1;
}

.task input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: #818cf8;
  cursor: pointer;
  flex-shrink: 0;
}

.task .done {
  text-decoration: line-through;
  color: #64748b;
}

.progress-today {
  font-size: 13px;
  color: #a5b4fc;
  margin-bottom: 10px;
  font-family: 'JetBrains Mono', monospace;
}

.set {
  font-size: 14px;
  color: #94a3b8;
}

#plan p,
#exams-list p,
#history-list p,
#history-totals p {
  color: #94a3b8;
  font-size: 14px;
}

/* Duration options */
.duration-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 12px 0;
}

.duration-options button {
  flex: 1;
  min-width: 68px;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid rgba(129, 140, 248, 0.3);
  border-radius: 8px;
  color: #cbd5e1;
  padding: 10px 8px;
  font-size: 13px;
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  transition: 0.2s;
}

.duration-options button:hover {
  border-color: #818cf8;
  color: #fff;
}

.duration-options button.selected {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 0 14px rgba(99, 102, 241, 0.4);
}

#focus .card label[for="focus-exam"] {
  margin-top: 14px;
}

#focus-exam {
  margin-bottom: 4px;
}

/* Locked overlay */
.locked-overlay {
  position: fixed;
  inset: 0;
  background: #05060f;
  background-image:
    radial-gradient(1px 1px at 10% 20%, #fff, transparent),
    radial-gradient(1px 1px at 30% 60%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1.5px 1.5px at 70% 30%, #a5b4fc, transparent),
    radial-gradient(1px 1px at 85% 75%, #fff, transparent),
    radial-gradient(2px 2px at 50% 50%, rgba(139, 92, 246, 0.3), transparent);
  color: #e2e8f0;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  flex-direction: column;
  text-align: center;
  padding: 20px;
}

.locked-overlay .content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

#lock-examName {
  font-family: 'Fraunces', serif;
  font-size: 1.4rem;
  margin-bottom: 8px;
  color: #c7d2fe;
}

#timer {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(42px, 11vw, 72px);
  font-weight: 700;
  color: #e0e7ff;
  margin: 10px 0 20px;
  letter-spacing: 2px;
  text-shadow: 0 0 30px rgba(129, 140, 248, 0.6);
}

#quote {
  max-width: 320px;
  font-size: 14px;
  color: #94a3b8;
  font-style: italic;
  margin-bottom: 24px;
  line-height: 1.5;
}

#starti {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border: none;
  color: #fff;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 16px;
  box-shadow: 0 0 24px rgba(99, 102, 241, 0.5);
  font-family: 'Space Grotesk', sans-serif;
  transition: 0.2s;
}

#starti:hover {
  transform: scale(1.03);
}

#stop-btn {
  background: none;
  border: 1px solid rgba(248, 113, 113, 0.5);
  color: #fca5a5;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  font-family: 'Space Grotesk', sans-serif;
  transition: 0.2s;
}

#stop-btn:hover {
  background: rgba(248, 113, 113, 0.15);
  border-color: #f87171;
}

/* Modals */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 15, 0.88);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  padding: 20px;
}

.modal.hidden {
  display: none !important;
}

.cha-content {
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(129, 140, 248, 0.35);
  border-radius: 16px;
  padding: 28px 24px;
  max-width: 340px;
  width: 100%;
  text-align: center;
  color: #e2e8f0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.2);
}

.cha-content h3 {
  font-family: 'Fraunces', serif;
  margin: 0 0 4px;
  color: #e0e7ff;
}

#cha-ques {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.6rem;
  font-weight: 700;
  margin: 12px 0;
  color: #a5b4fc;
}

#cha-input {
  width: 100%;
  padding: 12px;
  font-size: 1.2rem;
  text-align: center;
  border: 1.5px solid rgba(129, 140, 248, 0.4);
  border-radius: 8px;
  background: rgba(30, 41, 59, 0.9);
  color: #f1f5f9;
  font-family: 'JetBrains Mono', monospace;
}

#cha-err {
  color: #f87171;
  font-size: 13px;
  min-height: 18px;
}

#cha-submit {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Space Grotesk', sans-serif;
}

#cha-cancel {
  background: transparent;
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: #94a3b8;
  padding: 10px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-family: 'Space Grotesk', sans-serif;
}

#cha-cancel:hover {
  border-color: #94a3b8;
  color: #e2e8f0;
}

/* Music buttons */
.btn.spotify-btn {
  background: #1DB954;
  box-shadow: 0 4px 14px rgba(29, 185, 84, 0.35);
}

.btn.spotify-btn:hover {
  background: #169c46;
}

.btn.btn-outline {
  background: transparent;
  border: 1px solid rgba(129, 140, 248, 0.4);
  color: #c7d2fe;
  box-shadow: none;
}

.btn.btn-outline:hover {
  background: rgba(99, 102, 241, 0.15);
}

/* Streak + goal */
.streak {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(129, 140, 248, 0.3);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 16px;
  color: #e2e8f0;
  text-align: center;
  backdrop-filter: blur(8px);
}

.streak strong {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  color: #a5b4fc;
  margin: 0 4px;
  text-shadow: 0 0 12px rgba(165, 180, 252, 0.5);
}

#streak-msg {
  font-size: 13px;
  color: #94a3b8;
  margin-top: 6px;
}

.goal {
  margin-top: 14px;
  text-align: left;
}

.goal-bar {
  height: 8px;
  background: rgba(30, 41, 59, 0.9);
  border-radius: 99px;
  overflow: hidden;
  margin: 8px 0 6px;
  border: 1px solid rgba(129, 140, 248, 0.2);
}

#goal-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #6366f1, #c084fc);
  border-radius: 99px;
  transition: width 0.4s ease;
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
}

#goal-text {
  font-size: 13px;
  color: #a5b4fc;
  font-family: 'JetBrains Mono', monospace;
}

/* Exam list */
.exam-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  margin-bottom: 8px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(129, 140, 248, 0.25);
  border-radius: 10px;
  transition: 0.2s;
}

.exam-row:hover {
  border-color: rgba(129, 140, 248, 0.5);
}

.exam-row.active-exam {
  border-color: #818cf8;
  box-shadow: 0 0 14px rgba(99, 102, 241, 0.3);
  background: rgba(99, 102, 241, 0.12);
}

.exam-meta {
  font-size: 12px;
  color: #94a3b8;
  margin-top: 3px;
  font-family: 'JetBrains Mono', monospace;
}

.exam-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.exam-actions button {
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid rgba(129, 140, 248, 0.35);
  color: #c7d2fe;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
  font-family: 'Space Grotesk', sans-serif;
  transition: 0.15s;
}

.exam-actions button:hover {
  background: rgba(99, 102, 241, 0.25);
  color: #fff;
}

.exam-actions button[data-del]:hover {
  border-color: #f87171;
  color: #fca5a5;
  background: rgba(248, 113, 113, 0.12);
}

/* History */
.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  margin-bottom: 8px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(129, 140, 248, 0.25);
  border-radius: 10px;
}

.history-dur {
  font-family: 'JetBrains Mono', monospace;
  color: #a5b4fc;
  font-size: 14px;
  white-space: nowrap;
}

#history {
  display: none;
}

#history .card {
  margin-bottom: 16px;
}