/* --- MOTYW 3XIT.PL --- */
:root {
  --bg-dark: #121214;
  --card-bg: #1e1e24;
  --input-bg: #141417;
  --accent-red: #e50914;
  --accent-red-hover: #b80710;
  --text-main: #f1f1f3;
  --text-muted: #a0a0ab;
  --border-color: #2e2e38;
  --border-active: #e50914;
  --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-family);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.calc-container {
  width: 100%;
  max-width: 440px;
  margin: 20px;
  padding: 28px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  filter: blur(8px);
  pointer-events: none;
  transition: filter 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-sizing: border-box;
}

.calc-container.active {
  filter: blur(0);
  pointer-events: auto;
}

.calc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--accent-red);
  padding-bottom: 12px;
  margin-bottom: 24px;
}

.calc-header h2 {
  margin: 0;
  font-size: 1.3rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-main);
}

.badge {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 4px;
  font-weight: 600;
}

/* --- FORMULARZ INPUTY --- */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  background-color: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 0.95rem;
  box-sizing: border-box;
  outline: none;
  transition: border-color 0.2s ease;
}

/* GRUPA INPUT + JEDNOSTKA CZASU */
.time-input-group {
  display: flex;
  gap: 8px;
}

.time-input-group input {
  flex: 1;
}

.time-input-group select {
  width: 110px;
  cursor: pointer;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--border-active);
}

/* --- PRZYCISKI --- */
.btn-calc {
  width: 100%;
  padding: 14px;
  background-color: var(--accent-red);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
  margin-top: 10px;
}

.btn-calc:hover {
  background-color: var(--accent-red-hover);
}

.btn-calc:active {
  transform: scale(0.98);
}

/* --- SEKCJA WYNIKÓW --- */
.result-box {
  margin-top: 24px;
  padding: 16px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-red);
  border-radius: 6px;
  display: none;
}

.result-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.result-row:last-child {
  margin-bottom: 0;
  padding-top: 8px;
  border-top: 1px solid var(--border-color);
  font-weight: 700;
  color: var(--text-main);
}

.result-row span.val {
  color: var(--text-main);
  font-weight: 600;
}

.result-row.highlight span.val {
  color: #22c55e;
}

/* --- POPUP / MODAL ZABEZPIECZENIA --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 12, 0.88);
  backdrop-filter: blur(4px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.modal-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  max-width: 340px;
  width: 90%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 10px;
}

.modal-header h3 {
  margin: 0;
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.modal-content input {
  width: 100%;
  padding: 12px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-main);
  text-align: center;
  font-size: 1rem;
  box-sizing: border-box;
  margin-bottom: 12px;
  outline: none;
}

.modal-content input:focus {
  border-color: var(--border-active);
}

.error-msg {
  color: #ef4444;
  font-size: 0.8rem;
  display: none;
  margin-bottom: 12px;
}