/* ========================
   PALETA DE COLORES
   ======================== */
:root {
  --color-primary: #00695C;        /* verde aqua principal */
  --color-primary-light: #26A69A;  /* hover / resaltados */
  --color-primary-dark: #004D40;   /* headers / contrastes */
  --color-bg: #F5F7FA;             /* fondo general */
  --color-border: #CCC;            /* bordes suaves */
  --color-text: #333;              /* texto principal */
  --color-success: #43A047;        /* éxito */
  --color-warning: #FDD835;        /* advertencia */
  --color-danger: #E53935;         /* error / alta prioridad */
}

/* ========================
   BASE
   ======================== */
body {
  margin: 0;
  font-family: 'Poppins', Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}

/* ========================
   LOGIN
   ======================== */
body.login {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.login-box {
  background: rgba(0,0,0,0.85);
  padding: 40px 32px;
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.5);
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.login-box img {
  width: 150px;
  margin-bottom: 25px;
}

.login-box h2 {
  margin-bottom: 20px;
  color: #fff;
  font-weight: 600;
}

.login-box input {
  width: 90%;
  max-width: 280px;
  padding: 12px;
  margin: 10px auto;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  background: #FFFDE7;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);
  display: block;
}

.login-box input:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.login-box button {
  width: 90%;
  max-width: 280px;
  padding: 14px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 12px;
  transition: background 0.3s ease;
}

.login-box button:hover {
  background: var(--color-primary-light);
}

.error {
  color: var(--color-danger);
  font-size: 14px;
  margin-bottom: 12px;
}

/* ========================
   PRIORIDADES
   ======================== */
.borde-alta  { border-left: 6px solid var(--color-danger) !important; }
.borde-media { border-left: 6px solid var(--color-warning) !important; }
.borde-baja  { border-left: 6px solid var(--color-success) !important; }

/* ========================
   MODAL
   ======================== */
.modal { display: none; position: fixed; inset: 0; z-index: 1000; }
.modal.is-open { display: block; }

.modal-backdrop {
  position: absolute; inset: 0; background: rgba(0,0,0,.45);
}

.modal-dialog {
  position: relative;
  z-index: 1001;
  width: min(640px, 92vw);
  margin: 6vh auto 0 auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
  display: flex;
  flex-direction: column;
}

/* Header del modal con degradado */
.modal-header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 12px 16px;
  border-bottom: 1px solid #eee;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
  color: #fff;
  border-radius: 12px 12px 0 0;
}

.modal-body { padding: 12px 16px 16px; }

.modal-close {
  border: none;
  background: transparent;
  font-size: 18px;
  cursor: pointer;
  color: #fff;
}

.modal-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.grid2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 8px; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } }

/* ========================
   PANEL CENTRO / CALENDARIO
   ======================== */
#panel-centro { min-width: 0; }

.calendar-scroll {
  overflow-y: auto;
  overflow-x: hidden;
  max-height: 600px;
  border: 1px solid #eee;
  border-radius: 10px;
  padding: 8px;
  background: #fafafa;
}


.calendar-grid {
  display: grid;
  --cols: 6;
  --colEst: 260px;
  min-width: calc(120px + var(--cols) * var(--colEst));
  gap: 6px;
}

.cal-header,
.cal-row {
  display: grid;
  grid-template-columns: 120px repeat(var(--cols), var(--colEst));
  gap: 6px;
  align-items: stretch;
}

.cal-sticky-hour {
  position: sticky;
  left: 0;
  background: #fff;
  z-index: 2;
  border-right: 1px solid #eee;
  padding: 4px;
}

.cal-header {
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 3;
  padding: 6px;
  font-weight: bold;
}

/* ========================
   CARDS DE CITAS
   ======================== */
.cita-card {
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 4px 6px;
  background: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cita-card.nsp {
  opacity: 0.7;
  background: repeating-linear-gradient(
    45deg,#fff,#fff 8px,#fafafa 8px,#fafafa 16px
  );
}

/* ========================
   BOTONES DE ESTUDIO
   ======================== */
.estudios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.btn-estudio {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 2px solid #ddd;
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: all .3s ease;
  box-shadow: 0 3px 6px rgba(0,0,0,0.08);
  width: 100%;
}

.btn-estudio img {
  width: 48px;
  height: 48px;
  margin-bottom: 8px;
}

.btn-estudio span {
  font-size: 14px;
  font-weight: 600;
  color: #444;
}

.btn-estudio:hover {
  background: #e0f2f1;
  border-color: var(--color-primary);
  transform: scale(1.05);
}

/* ========================
   DASHBOARD
   ======================== */
body.dashboard {
  background: var(--color-bg);
}

/* Header del dashboard con degradado */
header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:10px 16px;
  border-bottom:1px solid #eee;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

header .title {
  display:flex;
  align-items:center;
  gap:12px;
}

header img {
  height:36px;
}

header .actions a {
  text-decoration:none;
  color: #fff;
  font-weight: 600;
}

.layout {
  display:grid;
  grid-template-columns: 22% 1fr 26%;
  gap: 12px;
  padding: 12px;
}

.panel {
  border:1px solid #eee;
  border-radius:12px;
  padding:12px;
  min-height: 400px;
  background:#fff;
}

.tag {
  display:inline-block;
  padding:2px 8px;
  border-radius:999px;
  font-size:12px;
  border:1px solid #ddd;
  background: #f5f5f5;
  color: var(--color-text);
}

/* Calendario vertical (vista simple) */
#calendario-dia {
  display: grid;
  grid-template-columns: 1fr;
  row-gap: 6px;
}

/* ========================
   SELECCIONAR ESTUDIO
   ======================== */
body.seleccionar_estudio {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
  display: grid;
  place-items: center;
  min-height: 100vh;
}

.wrap {
  max-width: 800px;
  padding: 20px;
  text-align: center;
}

.wrap h2 {
  margin-bottom: 20px;
  color: #fff;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.4);
}