/*------------------------------------VARIABILI GLOBALI------------------------------------*/
:root {
  /* Colori principali */
  --color-blue: #27348b;
  --color-light-blue: #0a58ca;
  --color-error: #C12235;
  --color-success: #4CAF50;
  --color-warning: #FFD700;
  
  /* Sfondi e contenitori */
  --color-bg: #f0f0f0;
  --color-bg-light: #fff;
  --color-bg-secondary: #e6e6fa;
  
  /* Elementi funzionali */
  --color-nav: #dbdbdb;
  --table-cell: #fff;
  --table-cell-disabled: #dbdbdb;
  
  /* Testo e bordi */
  --color-text: #293133;
  --color-text-light: #666;
  --color-border: #ccc;
  
  /* Layout constants */
  --nav-height: 10dvh;
  --foot-height: 10dvh;
  --sidebar-width: calc(100dvw / 6);
  --radius: 8px;
  --form-margin: 15px;
}

/* Dark mode variables */
html.dark {
  /* Colori principali in dark mode */
  --color-blue: #6790d3;
  --color-light-blue: #adbee6;
  --color-error: #e63946;
  --color-success: #388E3C;
  --color-warning: #FFD700;
  
  /* Sfondi e contenitori */
  --color-bg: #121212;
  --color-bg-light: #292929;
  --color-bg-secondary: #2a2a4a;
  
  /* Elementi funzionali */
  --color-nav: #333;
  --table-cell: #111;
  --table-cell-disabled: #444;
  
  /* Testo e bordi */
  --color-text: #e0e0e0;
  --color-text-light: #888;
  --color-border: #444;
}

/*------------------------------------STILI GLOBALI------------------------------------*/
/* Transizioni globali */
*, *::before, *::after {
  transition: all .3s ease;
}

* {
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

html, body {
  min-height: 100vh;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

/*------------------------------------CONTENT DIV GENERALE------------------------------------*/
.content {
  flex: 1;
  width: 100dvw;
  display: flex;
  align-items: flex-start;
  text-align: left;
}

.content-inner {
  transform: translateX(calc(var(--sidebar-width) / 2));
  display: flex;
  width: 100%;
  flex-direction: column;
  align-items: center;
  position: relative;
  height: fit-content;
}

.content.sidebar-visible .content-inner {
  transform: translateX(calc(-1 * var(--sidebar-width) / 8));
  margin-left: calc(var(--sidebar-width) / 4);
}

/*---------------------------------------------HEADER CONTROLS---------------------------------------------*/
.header-controls {
  display: flex;
  flex-direction: row;
  align-items: center;
  width: 100%;
  margin: 20px 0;
  position: relative;
}

.header-controls .titolo {
  margin: 0;
  text-align: left;
  width: 50%;
}

.header-controls #annoAccademicoContainer {
  display: inline-flex;
  align-items: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.anno-accademico-container label {
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.anno-accademico-select {
  padding: 10px 15px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-bg-light);
  color: var(--color-text);
  font-size: 1.1rem;
  min-width: 180px;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.anno-accademico-select:hover {
  border-color: var(--color-blue);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.anno-accademico-select:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(39, 52, 139, 0.2);
}

.anno-accademico-select option {
  padding: 10px 15px;
  background-color: var(--color-bg-light);
  color: var(--color-text);
}

/*------------------------------------COMPONENTI COMUNI------------------------------------*/
.titolo {
  position: relative;
  align-self: flex-start;
  color: var(--color-text);
  margin: 10px 0 0 0;
}

.email-link {
  color: var(--color-blue);
}

/* Landing page */
.landing-container {
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  text-align: center;
  margin: 20px auto;
  padding: 40px;
}

/* Bottoni */
.cta-button, .tab-button, .all-exams-button {
  display: inline-block;
  padding: 10px 20px;
  margin: 0 10px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: bold;
  text-decoration: none;
}

.cta-button {
  background-color: var(--color-blue);
  color: var(--color-bg-light);
  font-size: 1.2rem;
  margin-top: 20px;
  padding: 15px 30px;
}

.cta-button:hover {
  background-color: var(--color-light-blue);
  transform: translateY(-3px);
}

/* Titoli */
.landing-title {
  margin-bottom: 20px;
  color: var(--color-blue);
  font-weight: bold;
}

.subtitle {
  color: var(--color-text);
  margin-bottom: 30px;
  font-size: 1.2rem;
  line-height: 1.6;
}

/* Flex Containers */
.flex-container {
  display: flex;
  flex-wrap: wrap;
}

.flex-spaced {
  justify-content: space-between;
  margin: 40px 0;
}

.flex-column {
  flex-direction: column;
}

.flex-gap {
  gap: 12px;
}

/*---------------------------------------------ALERT MESSAGES---------------------------------------------*/
.alert {
  padding: 15px;
  border-radius: 5px;
  margin: 20px;
}

.alert p {
  margin: 0 20px;
}

.alert-warning {
  background-color: #fff3cd;
  border: 1px solid var(--color-warning);
  color: var(--color-text);
}

.alert-success {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-success);
  color: var(--color-text);
}

/*---------------------------------------------TOOLTIP---------------------------------------------*/
.tooltip {
  position: relative;
  display: inline-block;
  cursor: help;
}

.tooltip .material-symbols-outlined {
  vertical-align: bottom;
  font-size: 1.4em;
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 200px;
  background-color: var(--color-bg-light);
  color: var(--color-text);
  text-align: center;
  border-radius: var(--radius);
  padding: 8px 12px;
  position: absolute;
  z-index: 10;
  top: -5px;
  left: 110%;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-border);
  font-size: 0.85em;
  font-weight: normal;
  line-height: 1.4;
  white-space: normal;
}

.tooltip .tooltiptext::after {
  content: "";
  position: absolute;
  top: 12%;
  right: 100%;
  margin-top: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: transparent var(--color-border) transparent transparent;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
}

/* Stili per campi con errore di validazione */
.form-input-error {
  border: 2px solid var(--color-error) !important;
  box-shadow: 0 0 5px rgba(193, 34, 53, 0.3) !important;
}