/* ======= VARIABLES GLOBALES ======= */
:root {
  --bg-color: #1a1a1d;        /* Fondo oscuro elegante */
  --card-color: #212124;      /* Tarjetas */
  --text-color: #f1f1f1;      /* Texto claro */
  --accent-gold: #d4af37;     /* Dorado */
  --accent-green: #2ecc71;    /* Verde esmeralda */
  --accent-blue: #3498db;     /* Azul profundo */
  --shadow-dark: #0d0d0e;
  --shadow-light: #2a2a2e;
}

/* ======= FUENTES ======= */
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 20px;
}

h1, h2, h3 {
  font-family: 'Merriweather', serif;
  text-align: center;
  color: var(--accent-gold);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 10px 0;
}

/* ======== HEADER SECTION ======== */
.header-section {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 25px;
}

.totals {
  display: flex;
  gap: 20px;
}

.totals div {
  background: var(--card-color);
  padding: 20px;
  border-radius: 16px;
  width: 200px;
  text-align: center;
  box-shadow: 4px 4px 10px var(--shadow-dark),
              -4px -4px 10px var(--shadow-light);
  transition: transform 0.2s;
}

.totals div:hover {
  transform: translateY(-2px);
}

.totals h3 {
  margin: 0;
  color: var(--accent-blue);
  font-weight: 500;
}

.totals p {
  font-size: 1.2em;
  margin: 8px 0 0;
  font-weight: 600;
  color: var(--accent-gold);
}

/* ======== EXCHANGE CARD ======== */
.exchange-card {
  background: var(--card-color);
  padding: 18px;
  border-radius: 16px;
  width: 220px;
  text-align: center;
  box-shadow: 4px 4px 10px var(--shadow-dark),
              -4px -4px 10px var(--shadow-light);
}

.exchange-card h3 {
  margin: 0 0 10px;
  color: var(--accent-green);
  font-weight: 500;
}

.exchange-card input {
  width: 100%;
  padding: 10px;
  border-radius: 10px;
  border: none;
  background: var(--card-color);
  color: var(--text-color);
  box-shadow: inset 3px 3px 6px var(--shadow-dark),
              inset -3px -3px 6px var(--shadow-light);
  text-align: center;
  font-weight: 500;
  outline: none;
  font-family: 'Work Sans', sans-serif;
}

/* ======== MAIN LAYOUT ======== */
.main-layout {
  display: flex;
  gap: 25px;
  align-items: flex-start;
}

/* ======== FORM CARD ======== */
.form-card {
  background: var(--card-color);
  padding: 15px;
  border-radius: 16px;
  width: 280px;
  box-shadow: 4px 4px 10px var(--shadow-dark),
              -4px -4px 10px var(--shadow-light);
}

.form-card h2 {
  text-align: center;
  color: var(--accent-gold);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.form-card label {
  display: block;
  margin: 6px 0;
  font-size: 0.9em;
}

.form-card input {
  width: 100%;
  padding: 8px;
  font-size: 0.9em;
  border: none;
  border-radius: 10px;
  background: var(--card-color);
  color: var(--text-color);
  box-shadow: inset 3px 3px 6px var(--shadow-dark),
              inset -3px -3px 6px var(--shadow-light);
  outline: none;
  margin-top: 4px;
  font-family: 'Work Sans', sans-serif;
}

/* ======== BOTONES ======== */
button {
  background: var(--accent-gold);
  border: none;
  color: #000;
  padding: 12px;
  margin-top: 15px;
  width: 100%;
  border-radius: 10px;
  font-weight: 600;
  font-family: 'Work Sans', sans-serif;
  cursor: pointer;
  transition: 0.3s;
  letter-spacing: 1px;
  box-shadow: 3px 3px 8px var(--shadow-dark),
              -2px -2px 6px var(--shadow-light);
}

button:hover {
  transform: translateY(-1px);
  background: #e0b837;
}

/* ======== TABLA ======== */
.table-card {
  flex: 1;
}

.table-card h2 {
  color: var(--accent-gold);
  margin-bottom: 10px;
  text-transform: uppercase;
}

table {
  width: 100%;
  border-spacing: 0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 4px 4px 10px var(--shadow-dark),
              -4px -4px 10px var(--shadow-light);
}

thead {
  background: var(--accent-blue);
  color: #fff;
}

th, td {
  padding: 12px;
  text-align: center;
  background: var(--card-color);
  font-family: 'Inter', sans-serif;
  font-weight: 500;
}

tbody tr:nth-child(even) td {
  background: #25252a;
}

tbody tr:hover td {
  background: #2c2c31;
  cursor: pointer;
  transition: background 0.2s;
}

input[type="checkbox"] {
  transform: scale(1.2);
  accent-color: var(--accent-green);
}

/* ======== IMAGEN MODAL ======== */
#imageModal {
  display: none;
  position: fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background: rgba(0,0,0,0.85);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

#modalImage {
  max-width: 90%;
  max-height: 90%;
  border-radius: 8px;
  box-shadow: 0 0 20px #000;
}