/* Form styles */
:root {
  /* Colors */
  --color-black: #000;
  --color-white: #fff;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e5e5e5;
  --color-gray-300: #d4d4d4;
  --color-gray-400: #a3a3a3;
  --color-gray-500: #737373;
  --color-gray-600: #525252;
  --color-gray-700: #404040;
  --color-gray-800: #262626;
  --color-gray-900: #171717;
  
  /* Spacing */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  
  /* Typography */
  --font-size-sm: 0.875rem;
  --font-size-base: 0.875rem;
  --font-size-lg: 1.125rem;
  
  /* Border radius */
  --radius-md: 8px;
  
  /* Transitions */
  --transition-normal: 300ms ease;
  
  /* Form specific variables */
  --input-bg: #ffffff;
  --input-border: #e5e5e5;
  --input-focus: #000000;
  --input-error: #dc2626;
  --input-success: #059669;
}

/* Button styles */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1;
    color: var(--color-white);
    background-color: var(--color-black);
    border: 2px solid var(--color-black);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.button:hover {
    background-color: var(--color-gray-900);
    border-color: var(--color-gray-900);
    transform: translateY(-2px);
    box-shadow:
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.button:active {
    transform: translateY(0);
    box-shadow: none;
}

.button:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
}

.button-outline {
    color: var(--color-black);
    background-color: transparent;
    border: 1px solid var(--color-black);
}

.button-outline:hover {
    color: var(--color-white);
    background-color: var(--color-black);
    border-color: var(--color-black);
}

.button-small {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

.button-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-gray-900);
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--color-gray-900);
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 0.375rem;
    transition: all 0.2s ease-in-out;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-input.error {
    border-color: var(--input-error);
}

.form-input.success {
    border-color: var(--input-success);
}

.form-error {
    font-size: 0.875rem;
    color: var(--input-error);
    margin-top: 0.5rem;
}

.form-helper {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-top: 0.5rem;
}

/* Checkbox and Radio styles */
.form-checkbox,
.form-radio {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
    width: 1rem;
    height: 1rem;
    border: 1px solid var(--input-border);
    border-radius: 0.25rem;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"]:checked,
.form-radio input[type="radio"]:checked {
    background-color: var(--color-black);
    border-color: var(--color-black);
}

/* Select styles */
.form-select {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--color-gray-900);
    background-color: var(--input-bg);
    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='currentColor' stroke-width='2' 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: right 1rem center;
    background-size: 1em;
    border: 1px solid var(--input-border);
    border-radius: 0.375rem;
    appearance: none;
    cursor: pointer;
}

/* Form layout utilities */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.form-col {
    flex: 1;
    min-width: 250px;
}

/* Form actions */
.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.loader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.9);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.loader-overlay.active {
  display: flex;
}

.loader {
  width: 48px;
  height: 48px;
  border: 5px solid var(--color-gray-200);
  border-bottom-color: var(--color-black);
  border-radius: 50%;
  animation: rotate 1s linear infinite;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}