* {
  box-sizing: border-box;
}

:root {
  --bg: #f2f4fb;
  --card: #ffffff;
  --text: #2b2d42;
  --text-soft: #6b6f8d;
  --border: #e6e8f5;
  --primary: #7c8cf8;
  --primary-dark: #5f6fe0;
  --primary-soft: #eaecff;
  --green-bg: #dff7e9;
  --green-text: #1f9d55;
  --green-border: #b7ecca;
  --yellow-bg: #fff3d6;
  --yellow-text: #b3790a;
  --yellow-border: #ffe3a3;
  --red-bg: #ffe3e6;
  --red-text: #d94a5d;
  --red-border: #ffc7cd;
  --shadow: 0 4px 16px rgba(72, 76, 145, 0.08);
}

body {
  font-family: 'Poppins', system-ui, sans-serif;
  font-weight: 500;
  max-width: 640px;
  margin: 0 auto;
  padding: 1.5rem;
  color: var(--text);
  background: var(--bg);
}

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 {
  font-weight: 800;
  color: var(--primary-dark);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

h1 {
  margin: 0;
}

.hidden {
  display: none !important;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

button {
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 10px;
  padding: 0.65rem 1.1rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.05s ease, box-shadow 0.15s ease;
}

button:hover {
  box-shadow: var(--shadow);
}

button:active {
  transform: scale(0.98);
}

/* ---------- Login ---------- */

#active-user-bar button {
  background: var(--red-bg);
  border-color: var(--red-border);
  color: var(--red-text);
}

#login-screen {
  display: flex;
  justify-content: center;
  padding-top: 2rem;
}

.login-card {
  background: var(--card);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 2rem;
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.login-card h2 {
  margin-top: 0;
  color: var(--primary-dark);
}

.login-card form {
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 0;
}

.login-card label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-align: left;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-soft);
}

.login-card input {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg);
}

.login-card input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.login-card button[type="submit"] {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  font-weight: 700;
  padding: 0.75rem;
  margin-top: 0.25rem;
}

.login-card button[type="submit"]:hover {
  background: var(--primary-dark);
}

.error-text {
  color: var(--red-text);
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0.75rem 0 0;
}

.login-toggle {
  font-size: 0.85rem;
  color: var(--text-soft);
  margin-top: 1.25rem;
  margin-bottom: 0;
}

.login-toggle a {
  color: var(--primary-dark);
  font-weight: 700;
  text-decoration: none;
}

.login-toggle a:hover {
  text-decoration: underline;
}

/* ---------- Admin ---------- */

#admin-bar {
  background: var(--primary-soft);
  border: 1px solid var(--primary);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
}

#admin-bar h2 {
  margin: 0 0 0.6rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--primary-dark);
}

.admin-user-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.admin-user-row {
  display: flex;
  gap: 0.5rem;
}

.admin-user-row button:first-child {
  flex: 1;
  text-align: left;
  background: var(--card);
  border-color: var(--primary);
  color: var(--primary-dark);
}

.admin-user-row button:first-child.selected {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.admin-user-row .delete-user-btn {
  background: var(--red-bg);
  border-color: var(--red-border);
  color: var(--red-text);
}

/* ---------- Projeto ---------- */

.project-picker {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.project-picker select {
  flex: 1;
  padding: 0.65rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-weight: 600;
  font-size: 1rem;
  background: var(--card);
  color: var(--text);
}

#delete-project-btn {
  background: var(--red-bg);
  border-color: var(--red-border);
  color: var(--red-text);
}

.project-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  background: var(--card);
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  min-height: 1.2rem;
}

.project-actions .status-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-soft);
  margin-right: auto;
}

button.action-start,
button.action-resume {
  background: var(--green-bg);
  border-color: var(--green-border);
  color: var(--green-text);
}

button.action-pause {
  background: var(--yellow-bg);
  border-color: var(--yellow-border);
  color: var(--yellow-text);
}

button.action-finish {
  background: var(--red-bg);
  border-color: var(--red-border);
  color: var(--red-text);
}

/* ---------- Calendário ---------- */

.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.calendar-nav button {
  background: var(--primary-soft);
  border-color: var(--primary-soft);
  color: var(--primary-dark);
  padding: 0.4rem 0.8rem;
}

.calendar-nav span {
  font-weight: 700;
  min-width: 10rem;
  text-align: center;
  color: var(--text);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 1.5rem;
}

.calendar-grid .weekday {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-soft);
  padding: 0.25rem 0;
}

.calendar-grid .day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  position: relative;
}

.calendar-grid .day:hover {
  box-shadow: var(--shadow);
}

.calendar-grid .day.empty {
  visibility: hidden;
  cursor: default;
}

.calendar-grid .day.has-entries {
  border-color: var(--primary);
  color: var(--primary-dark);
}

.calendar-grid .day.selected {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.calendar-grid .day .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
  margin-top: 2px;
}

.calendar-grid .day.selected .dot {
  background: white;
}

/* ---------- Formulários e tabela ---------- */

form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

input[type="text"] {
  flex: 1;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-weight: 500;
  font-size: 1rem;
  background: var(--card);
  color: var(--text);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

th, td {
  text-align: left;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

th {
  color: var(--text-soft);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

#history-table button.delete-entry {
  background: var(--red-bg);
  border-color: var(--red-border);
  color: var(--red-text);
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
}