:root {
  --vf-bg: #f7fafc;
  --vf-surface: #ffffff;
  --vf-text: #0f172a;
  --vf-muted: #64748b;
  --vf-border: #dbe4ee;
  --vf-border-strong: #b7c6d8;
  --vf-primary: #0d9488;
  --vf-primary-hover: #0f766e;
  --vf-focus: rgba(13, 148, 136, 0.22);
  --vf-danger: #dc2626;
  --vf-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
  --vf-radius: 12px;
}

/* Společný základ pro všechny varianty Visforms */
:is(.visform, .visforms, [class*="visform"]) {
  color: var(--vf-text);
}

div[class*="field"] {
  margin-bottom: 1rem;
}

/* Nadpisy a texty */
:is(.visform, .visforms, [class*="visform"]) :is(h1, h2, h3) {
  margin: 0 0 14px;
  line-height: 1.2;
}

:is(.visform, .visforms, [class*="visform"]) p {
  color: var(--vf-muted);
}

/* Skupiny a Labely */
:is(.visform, .visforms, [class*="visform"])
  :is(.control-group, .visform-group) {
  margin: 0 0 16px;
}

:is(.visform, .visforms, [class*="visform"]) label {
  color: #1e293b;
  display: inline-block;
  font-weight: 700;
  margin-bottom: 5px;
  margin-top: 0;
}

/* Hlavní ovládací prvky (Inputs, Select, Textarea) */
:is(.visform, .visforms, [class*="visform"])
  :is(input:not([type="checkbox"]):not([type="radio"]), select, textarea) {
  background: var(--vf-surface);
  border-radius: var(--vf-radius);
  border: 1px solid var(--vf-border-strong);
  box-sizing: border-box;
  color: inherit;
  margin-top: 0;
  min-height: 44px;
  outline: none;
  padding: 11px 13px;
  transition: all 0.2s ease;
  width: 100%;
}

:is(.visform, .visforms, [class*="visform"]) textarea {
  min-height: 140px;
  height: 150px;
  resize: vertical;
}

/* Focus stavy */
:is(.visform, .visforms, [class*="visform"])
  :is(input, select, textarea):focus {
  border-color: var(--vf-primary);
  box-shadow: 0 0 0 4px var(--vf-focus);
  transform: translateY(-1px);
}

/* --- DATUM / APPEND TOGGLE --- */
/* Visforms obvykle balí input a ikonu do .visform-date-picker nebo podobného obalu */
.visform-date-picker,
.calendar-container,
:is(.visform, .visforms, [class*="visform"]) .input-append {
  align-items: stretch;
  display: flex !important;
  width: 100%;
}

.visform-date-picker input,
:is(.visform, .visforms, [class*="visform"])
  .input-append
  > input[type="text"] {
  border-bottom-right-radius: 0 !important;
  border-radius: var(--vf-radius) 0 0 var(--vf-radius) !important;
  border-top-right-radius: 0 !important;
  border-right: none !important;
  flex: 1 1 auto;
  min-width: 0;
}

/* Styl pro ikonu kalendáře (toggle), aby vypadala jako připojené tlačítko */
:is(.visform, .visforms, [class*="visform"])
  :is(
    .visform-date-toggle,
    .calendar-button,
    .input-group-append,
    .input-append > .btn,
    .input-append > .btn-secondary
  ) {
  align-items: center;
  background: var(--vf-bg);
  border-radius: 0 var(--vf-radius) var(--vf-radius) 0;
  border: 1px solid var(--vf-border-strong);
  color: var(--vf-primary);
  cursor: pointer;
  display: flex;
  padding: 0 15px;
  transition: all 0.2s;
}

:is(.visform, .visforms, [class*="visform"])
  :is(
    .visform-date-toggle,
    .calendar-button,
    .input-append > .btn,
    .input-append > .btn-secondary
  ):hover {
  background: var(--vf-border);
}

:is(.visform, .visforms, [class*="visform"]) .input-append:focus-within {
  border-radius: var(--vf-radius);
  box-shadow: 0 0 0 4px var(--vf-focus);
}

:is(.visform, .visforms, [class*="visform"])
  .input-append
  > .btn
  .visicon-calendar,
:is(.visform, .visforms, [class*="visform"])
  .input-append
  > .btn-secondary
  .visicon-calendar {
  font-size: 1.1rem;
  line-height: 1;
}

/* --- VALIDACE --- */
.invalid,
.error {
  color: var(--vf-danger);
}
input.invalid {
  border-color: var(--vf-danger) !important;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15) !important;
}

/* --- BUTTONS --- */
:is(.visform, .visforms, [class*="visform"])
  :is(input[type="submit"], .btn-primary) {
  background: linear-gradient(180deg, var(--vf-primary) 0%, #0f766e 100%);
  border-radius: var(--vf-radius);
  border: none;
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  margin-top: 0;
  min-height: 44px;
  padding: 10px 22px;
  transition: all 0.2s ease;
}

:is(.visform, .visforms, [class*="visform"])
  :is(input[type="submit"], .btn-primary):hover {
  box-shadow: 0 10px 20px rgba(15, 118, 110, 0.2);
  filter: brightness(1.1);
  transform: translateY(-1px);
}

/* Akce v patce */
.visBtnCon {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

/* Mobile */
@media (max-width: 780px) {
  :is(.visform, .visforms, [class*="visform"]) {
    padding: 15px;
  }
}