/*
 * Design System - Buttons
 *
 * Button styles with hand-drawn borders and color splash hover states
 */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  padding: var(--space-sm) var(--space-base);
  background: rgba(255, 255, 255, 0.6);
  border: none;
  cursor: pointer;
  position: relative;
  color: var(--ink-dark);
  border-radius: 8px;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.7),
    2px 2px 0 rgba(0, 0, 0, 0.08);
  transition: background 0.2s ease;
  text-decoration: none;
  text-align: center;
}

.btn:hover {
  opacity: 1;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Size variants */
.btn-sm, .btn-small {
  font-size: var(--font-size-sm);
  padding: var(--space-xs) var(--space-md);
}

.btn-lg, .btn-large {
  font-size: var(--font-size-lg);
  padding: var(--space-md) var(--space-lg);
}

/* Style variants */
.btn-primary {
  background: var(--ink-dark);
  color: var(--paper-bg);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  background: var(--ink-medium);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink-dark);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.95);
}

.btn-danger {
  font-weight: var(--font-weight-bold);
  border: 2px solid var(--ink-dark);
}

.btn-danger:hover {
  background: var(--ink-dark);
  color: var(--paper-bg);
}

.btn-link {
  background: transparent;
  border: none;
  box-shadow: none;
  color: var(--ink-medium);
  text-decoration: underline;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-sm);
}

.btn-link:hover {
  color: var(--ink-dark);
  background: transparent;
  text-decoration: underline;
}

/* Hand-drawn SVG border */
.btn .btn-border {
  position: absolute;
  inset: -2px;
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  pointer-events: none;
  z-index: 0;
}

.btn-text {
  position: relative;
  z-index: 1;
}

/* Color splash on hover - Urgent family (yellows/oranges) */
.btn.color-urgent-1:hover,
.btn.color-urgent-2:hover,
.btn.color-urgent-3:hover,
.btn.color-urgent-4:hover,
.btn.color-urgent-5:hover {
  background: linear-gradient(135deg,
    rgba(255, 244, 214, 0.6) 0%,
    rgba(255, 236, 192, 0.6) 100%
  );
}

/* Upcoming family (greens) */
.btn.color-upcoming-1:hover,
.btn.color-upcoming-2:hover,
.btn.color-upcoming-3:hover,
.btn.color-upcoming-4:hover,
.btn.color-upcoming-5:hover {
  background: linear-gradient(135deg,
    rgba(200, 212, 194, 0.6) 0%,
    rgba(188, 201, 182, 0.6) 100%
  );
}

/* Admin family (blues) */
.btn.color-admin-1:hover,
.btn.color-admin-2:hover,
.btn.color-admin-3:hover,
.btn.color-admin-4:hover {
  background: linear-gradient(135deg,
    rgba(217, 232, 245, 0.6) 0%,
    rgba(200, 220, 236, 0.6) 100%
  );
}

/* Creative family (pinks) */
.btn.color-creative-1:hover,
.btn.color-creative-2:hover,
.btn.color-creative-3:hover,
.btn.color-creative-4:hover,
.btn.color-creative-5:hover {
  background: linear-gradient(135deg,
    rgba(255, 217, 222, 0.6) 0%,
    rgba(255, 204, 211, 0.6) 100%
  );
}

/* Watercolor blur effect on hover */
.btn::before {
  content: '';
  position: absolute;
  inset: -4px;
  opacity: 0;
  filter: blur(10px);
  transition: opacity 0.2s ease;
  z-index: -1;
  border-radius: 12px;
}

.btn.color-urgent-1::before,
.btn.color-urgent-2::before,
.btn.color-urgent-3::before,
.btn.color-urgent-4::before,
.btn.color-urgent-5::before {
  background: var(--urgent-3);
}

.btn.color-upcoming-1::before,
.btn.color-upcoming-2::before,
.btn.color-upcoming-3::before,
.btn.color-upcoming-4::before,
.btn.color-upcoming-5::before {
  background: var(--upcoming-3);
}

.btn.color-admin-1::before,
.btn.color-admin-2::before,
.btn.color-admin-3::before,
.btn.color-admin-4::before {
  background: var(--admin-2);
}

.btn.color-creative-1::before,
.btn.color-creative-2::before,
.btn.color-creative-3::before,
.btn.color-creative-4::before,
.btn.color-creative-5::before {
  background: var(--creative-2);
}

.btn:hover::before {
  opacity: 0.6;
}

/* Close button */
.btn-close {
  background: transparent;
  border: none;
  font-size: var(--font-size-xl);
  line-height: 1;
  cursor: pointer;
  padding: 0;
  color: var(--ink-medium);
}

.btn-close:hover {
  color: var(--ink-dark);
}