/* ==========================================================================
   CSS Variables - Design System
   ========================================================================== */

:root {
  /* Colors */
  --color-bg: #000000;
  --color-bg-secondary: #0a0a0a;
  --color-bg-tertiary: #111111;
  --color-primary: #ffeb3b;
  --color-primary-hover: #fff700;
  --color-text: #ffeb3b;
  --color-text-muted: rgba(255, 235, 59, 0.7);
  --color-text-subtle: rgba(255, 255, 255, 0.4);
  --color-border: #ffeb3b;
  --color-border-subtle: rgba(255, 235, 59, 0.3);
  --color-danger: #ff4444;
  --color-error: #ff6b6b;
  --color-warning: #ffaa00;
  
  /* Typography */
  --font-family: 'JetBrains Mono', 'Courier New', monospace;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --line-height-base: 1.6;
  --line-height-tight: 1.2;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --container-padding: 2.5rem;
  --container-padding-mobile: 1.25rem;
  --border-radius: 0;
  --border-width: 1px;
  --border-width-thick: 2px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

* {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  padding: var(--container-padding);
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text);
  font-family: var(--font-family);
  font-weight: 400;
  line-height: var(--line-height-tight);
  margin: 0 0 var(--spacing-md) 0;
}

h1 {
  font-size: var(--font-size-3xl);
}

h2 {
  font-size: var(--font-size-2xl);
}

p {
  margin: 0 0 var(--spacing-md) 0;
}

a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ==========================================================================
   Layout Components
   ========================================================================== */

.centered-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  text-align: center;
  width: 100%;
}

.centered-container form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* ==========================================================================
   Header & Footer
   ========================================================================== */

header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.header-logo {
  display: block;
  margin: 0 auto;
  height: 80px;
  width: auto;
  transition: opacity var(--transition-base);
}

.header-logo:hover {
  opacity: 0.8;
}

.site-footer {
  text-align: center;
  margin-top: auto;
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-subtle);
}

.site-footer a {
  color: var(--color-text-subtle);
  text-decoration: none;
  border-bottom: 1px dotted var(--color-text-subtle);
  transition: color var(--transition-base);
}

.site-footer a:hover {
  color: var(--color-text-muted);
  border-bottom-color: var(--color-text-muted);
  text-decoration: none;
}

/* ==========================================================================
   Forms
   ========================================================================== */

form {
  margin: var(--spacing-lg) auto;
  max-width: 500px;
  width: 100%;
}

input,
button,
textarea,
select {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
  border: var(--border-width) solid var(--color-border);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  padding: 0.625rem;
  margin-top: var(--spacing-sm);
  width: 100%;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary-hover);
  background-color: var(--color-bg-secondary);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

.centered-container input[type="text"],
.centered-container input[type="password"],
.centered-container textarea,
.centered-container button {
  width: 250px;
  box-sizing: border-box;
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-base);
  color: var(--color-text);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

button {
  font-family: var(--font-family);
  padding: 0.625rem 1.25rem;
  font-size: var(--font-size-base);
  min-width: 150px;
  cursor: pointer;
  border: var(--border-width) solid var(--color-border);
  transition: background-color var(--transition-base), 
              color var(--transition-base), 
              border-color var(--transition-base);
  text-align: center;
}

button:hover:not(:disabled) {
  background-color: var(--color-bg-secondary);
}

button:active:not(:disabled) {
  background-color: var(--color-bg);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

button.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
  font-weight: 500;
}

button.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

a.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-bg);
  border: var(--border-width) solid var(--color-primary);
  padding: 0.625rem 1.25rem;
  box-sizing: border-box;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  text-decoration: none;
  min-width: 250px;
  text-align: center;
  display: inline-block;
  transition: background-color var(--transition-base), 
              border-color var(--transition-base);
}

a.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  text-decoration: none;
}

button.btn-secondary {
  background-color: var(--color-bg);
  color: var(--color-text);
  border-color: var(--color-border);
}

button.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-bg-secondary);
}

button.btn-danger {
  background-color: var(--color-bg);
  color: var(--color-danger);
  border-color: var(--color-danger);
}

button.btn-danger:hover:not(:disabled) {
  background-color: rgba(255, 68, 68, 0.1);
}

.dedica-header{
  display:flex;
  justify-content:space-between;
  align-items:baseline;   /* stessa linea tipografica */
  gap:12px;
  margin-bottom:1px;
}

.save-link{
  text-decoration:none;
}

.save-link:hover{
  text-decoration:none;
}

/* ==========================================================================
   Textarea
   ========================================================================== */

textarea {
  resize: vertical;
  min-height: 100px;
  font-family: var(--font-family);
}

textarea.dedica-area {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
  border: var(--border-width-thick) dashed var(--color-border);
  width: 90%;
  padding: var(--spacing-md);
  max-width: 480px;
  height: 120px;
  margin-top: var(--spacing-lg);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-base);
}

textarea.dedica-area:focus {
  border-color: var(--color-primary-hover);
  border-style: solid;
}

/* ==========================================================================
   Components
   ========================================================================== */

.conferma-box {
  border: var(--border-width-thick) dashed var(--color-border);
  padding: var(--spacing-md);
  max-width: 480px;
  background: var(--color-bg-tertiary);
  margin: var(--spacing-md) auto;
  text-align: left;
  white-space: pre-wrap;
  line-height: var(--line-height-base);
}

.timer {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.dedica-box {
  background: var(--color-bg-tertiary);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-md) 0;
  border-left: 3px solid var(--color-border);
  position: relative;
  text-align: left;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

.dedica-box:hover {
  background: var(--color-bg-secondary);
}

.dedica-orario {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.elimina-btn {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-lg);
  color: var(--color-danger);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-base);
}

.elimina-btn:hover {
  color: var(--color-danger);
  text-decoration: underline;
}

.dedica-preview {
  border: var(--border-width) solid var(--color-border);
  padding: var(--spacing-md);
  margin: var(--spacing-md) auto;
  max-width: 600px;
  white-space: pre-wrap;
  background: var(--color-bg-tertiary);
}

.event-box {
  border: var(--border-width) solid var(--color-border);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  background: var(--color-bg-tertiary);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.event-box h2 {
  margin-bottom: var(--spacing-md);
}

.event-box p {
  margin-bottom: var(--spacing-sm);
}

.archivio-box {
  padding: var(--spacing-md);
  margin: 0;
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
  text-align: left;
}

.archivio-row {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
  align-items: center;
  flex-wrap: wrap;
}

.titolo-pagina {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.divider {
  border: none;
  border-top: var(--border-width) dashed var(--color-border);
  margin: var(--spacing-md) 0;
  opacity: 0.5;
}

.no-dediche {
  color: var(--color-text-subtle);
  margin-top: var(--spacing-xl);
  font-style: italic;
}

/* Character Counter */
#charCount {
  font-family: var(--font-family);
  margin-top: var(--spacing-sm);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* Loading Animation */
.dots {
  display: inline-block;
  min-width: 1ch;
}

/* ==========================================================================
   Admin Styles
   ========================================================================== */

.admin-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.admin-form label {
  text-align: center;
  width: 100%;
  font-size: var(--font-size-sm);
  margin-bottom: calc(var(--spacing-xs) * -1);
}

.admin-form input,
.admin-form button {
  width: 250px;
  box-sizing: border-box;
  margin-bottom: var(--spacing-xs);
}

.dediche-container {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
}

.dediche-container-left {
  width: 100%;
  margin: 0 auto;
  text-align: left;
}

.evento-select-wrapper {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.evento-seleziona form {
  margin: 0 auto var(--spacing-2xl) auto;
  max-width: 750px;
  text-align: center;
}

.evento-seleziona form label {
  display: block;
  font-family: var(--font-family);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-base);
}

.evento-seleziona form select {
  padding: 0.625rem var(--spacing-md);
  font-family: var(--font-family);
  background: var(--color-bg-tertiary);
  color: var(--color-text);
  border: var(--border-width) solid var(--color-border);
  min-width: 250px;
  font-size: var(--font-size-base);
}

/* ==========================================================================
   Error & Status Messages
   ========================================================================== */

.error-message {
  color: var(--color-error);
  margin: var(--spacing-md) 0;
  padding: var(--spacing-sm);
  border: var(--border-width) solid var(--color-error);
  background: rgba(255, 107, 107, 0.1);
}

.warning-message {
  color: var(--color-warning);
  margin: var(--spacing-md) 0;
}

.success-message {
  color: var(--color-text);
  margin: var(--spacing-md) 0;
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
  :root {
    --container-padding: var(--container-padding-mobile);
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.375rem;
  }

  body {
    padding: var(--container-padding);
  }

  h1 {
    font-size: var(--font-size-2xl);
  }

  h2 {
    font-size: var(--font-size-xl);
  }

  .centered-container input[type="text"],
  .centered-container input[type="password"],
  .centered-container textarea,
  .centered-container button {
    width: 100%;
    max-width: 320px;
  }

  .admin-form input,
  .admin-form button {
    width: 100%;
    max-width: 320px;
  }

  .evento-seleziona form select {
    min-width: 100%;
    max-width: 320px;
  }

  .timer {
    font-size: var(--font-size-base);
  }

  .archivio-row {
    flex-direction: column;
    align-items: stretch;
  }

  .archivio-row a,
  .archivio-row button {
    width: 100%;
    max-width: 100%;
  }

  .titolo-pagina {
    text-align: center;
  }

  .archivio-box {
    text-align: center;
  }

  textarea.dedica-area {
    width: 100%;
    max-width: 100%;
  }

  .conferma-box {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
  }

  .header-logo {
    height: 60px;
  }

  header {
    margin-bottom: var(--spacing-xl);
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  body {
    background: white;
    color: black;
  }

  .site-footer,
  button,
  .elimina-btn {
    display: none;
  }
}