/* ══════════════════════════════════════════════════════════
   modern-inputs.css — نت‌بی | Glass Dark 2026
   فرم‌های مدرن شیشه‌ای تاریک
══════════════════════════════════════════════════════════ */

:root {
  --fi-accent:           var(--accent, #6c63ff);
  --fi-accent2:          #a78bfa;
  --fi-accent-glow:      rgba(108,99,255,0.2);
  --fi-bg:               rgba(255,255,255,0.05);
  --fi-bg-focus:         rgba(108,99,255,0.08);
  --fi-border:           rgba(255,255,255,0.12);
  --fi-border-focus:     var(--accent, #6c63ff);
  --fi-text:             rgba(255,255,255,0.92);
  --fi-text-placeholder: rgba(255,255,255,0.25);
  --fi-label:            rgba(255,255,255,0.55);
  --fi-label-size:       13px;
  --fi-radius:           var(--radius-sm, 12px);
  --fi-shadow-focus:     0 0 0 4px rgba(108,99,255,0.15);
  --fi-transition:       all 0.2s ease;
}

/* ══ FORM GROUP ══ */
.form-group {
  position: relative;
  margin-bottom: 18px;
}

/* ══ LABEL ══ */
.form-label,
label.form-label {
  display: block;
  font-size: var(--fi-label-size);
  font-weight: 600;
  color: var(--fi-label);
  margin-bottom: 7px;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}
.form-group:focus-within .form-label {
  color: var(--fi-accent);
}

/* ══ BASE INPUT / TEXTAREA / SELECT ══ */
.form-control,
input.form-control,
textarea.form-control,
select.form-control {
  width: 100%;
  padding: 11px 14px;
  background: var(--fi-bg);
  backdrop-filter: var(--blur-xs, saturate(160%) blur(10px));
  -webkit-backdrop-filter: var(--blur-xs, saturate(160%) blur(10px));
  border: 1px solid var(--fi-border);
  border-radius: var(--fi-radius);
  font-family: 'Vazirmatn', Tahoma, sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--fi-text);
  direction: rtl;
  outline: none;
  transition: var(--fi-transition);
  box-shadow: inset 0 1px 4px rgba(0,0,0,0.2);
}

/* ══ INPUTS WITHOUT CLASS ══ */
input[type="text"]:not([class]),
input[type="email"]:not([class]),
input[type="password"]:not([class]),
input[type="number"]:not([class]),
input[type="tel"]:not([class]),
input[type="url"]:not([class]),
input[type="search"]:not([class]),
input[type="date"]:not([class]),
textarea:not([class]),
select:not([class]) {
  width: 100%;
  padding: 11px 14px;
  background: var(--fi-bg);
  border: 1px solid var(--fi-border);
  border-radius: var(--fi-radius);
  font-family: 'Vazirmatn', Tahoma, sans-serif;
  font-size: 14px;
  color: var(--fi-text);
  direction: rtl;
  outline: none;
  transition: var(--fi-transition);
  box-shadow: inset 0 1px 4px rgba(0,0,0,0.2);
}

/* ══ TEXTAREA ══ */
textarea.form-control,
textarea:not([class]) {
  height: auto;
  min-height: 100px;
  padding: 11px 14px;
  resize: vertical;
  line-height: 1.7;
}

/* ══ SELECT ══ */
select.form-control,
select:not([class]) {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236c63ff' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 12px center;
  background-size: 15px;
  padding-left: 38px;
}
select.form-control option,
select:not([class]) option {
  background: #0f0a2e;
  color: rgba(255,255,255,0.92);
}

/* ══ FOCUS STATES ══ */
.form-control:focus,
input.form-control:focus,
textarea.form-control:focus,
select.form-control:focus,
input[type="text"]:not([class]):focus,
input[type="email"]:not([class]):focus,
input[type="password"]:not([class]):focus,
input[type="number"]:not([class]):focus,
input[type="tel"]:not([class]):focus,
input[type="url"]:not([class]):focus,
input[type="search"]:not([class]):focus,
input[type="date"]:not([class]):focus,
textarea:not([class]):focus,
select:not([class]):focus {
  border-color: var(--fi-border-focus);
  background: var(--fi-bg-focus);
  box-shadow: var(--fi-shadow-focus), inset 0 1px 4px rgba(0,0,0,0.2);
  color: var(--fi-text);
}

/* ══ PLACEHOLDERS ══ */
.form-control::placeholder,
input::placeholder,
textarea::placeholder {
  color: var(--fi-text-placeholder);
  font-weight: 400;
}

/* ══ RANGE INPUT ══ */
input[type="range"].form-control {
  height: auto;
  padding: 6px 0;
  background: transparent;
  border: none;
  box-shadow: none;
  accent-color: var(--fi-accent);
}

/* ══ CHECKBOX & RADIO ══ */
input[type="checkbox"],
input[type="radio"] {
  accent-color: var(--fi-accent);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* ══ INPUT GROUP ══ */
.input-group {
  display: flex;
  align-items: stretch;
}
.input-group .form-control {
  border-radius: 0;
  flex: 1;
}
.input-group .form-control:first-child {
  border-radius: var(--fi-radius) 0 0 var(--fi-radius);
}
.input-group .form-control:last-child {
  border-radius: 0 var(--fi-radius) var(--fi-radius) 0;
}
.input-group-text {
  display: flex;
  align-items: center;
  padding: 0 14px;
  background: rgba(108,99,255,0.1);
  border: 1px solid var(--fi-border);
  color: var(--fi-label);
  font-size: 14px;
  white-space: nowrap;
}

/* ══ VALIDATION ══ */
.form-control.is-invalid,
input.form-control.is-invalid {
  border-color: rgba(244,63,142,0.6);
  background: rgba(244,63,142,0.05);
}
.form-control.is-valid,
input.form-control.is-valid {
  border-color: rgba(16,185,129,0.5);
  background: rgba(16,185,129,0.04);
}
.invalid-feedback { color: #f43f8e; font-size: 12px; margin-top: 4px; }
.valid-feedback   { color: #10b981; font-size: 12px; margin-top: 4px; }

/* ══ SEARCH INPUT ══ */
.search-input-wrap {
  position: relative;
}
.search-input-wrap .search-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--fi-text-placeholder);
  pointer-events: none;
}
.search-input-wrap input {
  padding-right: 40px;
}

/* ══ FILE INPUT ══ */
input[type="file"].form-control {
  padding: 8px 14px;
  cursor: pointer;
  color: var(--fi-text-placeholder);
}
input[type="file"].form-control::file-selector-button {
  background: var(--grad-primary, linear-gradient(135deg,#6c63ff,#a78bfa));
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: 8px;
  font-family: 'Vazirmatn', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  margin-left: 10px;
  transition: opacity .2s;
}
input[type="file"].form-control::file-selector-button:hover { opacity: .85; }