/* ==========================================
   KUYAPADS NETWORK - COMPONENT LIBRARY
   ==========================================
   This file contains reusable component styles
   that can be used across different platform sections.
   Import this file in section-specific CSS files.
   ========================================== */

/* ==========================================
   1. BUTTON COMPONENTS
   ========================================== */

/* Base button - use this as foundation for all buttons */
.kp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--kp-spacing-xs);
  padding: var(--kp-spacing-sm) var(--kp-spacing-lg);
  border: none;
  border-radius: var(--kp-radius-md);
  font-family: var(--kp-font-primary);
  font-size: var(--kp-font-size-base);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--kp-transition-base);
  user-select: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.kp-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.kp-btn:focus {
  outline: 2px solid var(--kp-color-primary);
  outline-offset: 2px;
}

/* Button variants */
.kp-btn-primary {
  background: var(--kp-gradient-primary);
  color: var(--kp-color-text-inverse);
  box-shadow: var(--kp-shadow-base);
}

.kp-btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--kp-shadow-lg);
}

.kp-btn-secondary {
  background: var(--kp-gradient-secondary);
  color: var(--kp-color-text-primary);
  box-shadow: var(--kp-shadow-base);
}

.kp-btn-secondary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--kp-shadow-lg);
}

.kp-btn-outline {
  background: transparent;
  color: var(--kp-color-primary);
  border: 2px solid var(--kp-color-primary);
}

.kp-btn-outline:hover:not(:disabled) {
  background: var(--kp-color-primary);
  color: var(--kp-color-text-inverse);
}

.kp-btn-ghost {
  background: transparent;
  color: var(--kp-color-primary);
  border: 1px solid transparent;
}

.kp-btn-ghost:hover:not(:disabled) {
  background: rgba(30, 42, 120, 0.1);
  border-color: var(--kp-color-primary);
}

/* Button sizes */
.kp-btn-sm {
  padding: var(--kp-spacing-xs) var(--kp-spacing-md);
  font-size: var(--kp-font-size-sm);
}

.kp-btn-lg {
  padding: var(--kp-spacing-md) var(--kp-spacing-xl);
  font-size: var(--kp-font-size-lg);
}

.kp-btn-xl {
  padding: var(--kp-spacing-lg) var(--kp-spacing-2xl);
  font-size: var(--kp-font-size-xl);
}

/* Button with icon */
.kp-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--kp-radius-full);
}

.kp-btn-icon-sm {
  width: 32px;
  height: 32px;
}

.kp-btn-icon-lg {
  width: 48px;
  height: 48px;
}

/* ==========================================
   2. CARD COMPONENTS
   ========================================== */

.kp-card {
  background: var(--kp-color-bg-secondary);
  border: 1px solid var(--kp-color-border-primary);
  border-radius: var(--kp-radius-lg);
  box-shadow: var(--kp-shadow-base);
  overflow: hidden;
  transition: all var(--kp-transition-base);
}

.kp-card:hover {
  box-shadow: var(--kp-shadow-lg);
  transform: translateY(-2px);
}

.kp-card-header {
  padding: var(--kp-spacing-lg);
  border-bottom: 1px solid var(--kp-color-border-primary);
  background: var(--kp-color-bg-tertiary);
}

.kp-card-title {
  font-family: var(--kp-font-heading);
  font-size: var(--kp-font-size-xl);
  font-weight: 700;
  color: var(--kp-color-text-primary);
  margin: 0;
}

.kp-card-subtitle {
  font-size: var(--kp-font-size-base);
  color: var(--kp-color-text-secondary);
  margin: var(--kp-spacing-xs) 0 0 0;
}

.kp-card-body {
  padding: var(--kp-spacing-lg);
}

.kp-card-footer {
  padding: var(--kp-spacing-lg);
  border-top: 1px solid var(--kp-color-border-primary);
  background: var(--kp-color-bg-tertiary);
}

/* Card variants */
.kp-card-gradient {
  background: var(--kp-gradient-primary);
  color: var(--kp-color-text-inverse);
  border: none;
}

.kp-card-gradient .kp-card-header,
.kp-card-gradient .kp-card-footer {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.kp-card-glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ==========================================
   3. FORM COMPONENTS
   ========================================== */

.kp-form-group {
  margin-bottom: var(--kp-spacing-lg);
}

.kp-label {
  display: block;
  font-size: var(--kp-font-size-base);
  font-weight: 600;
  color: var(--kp-color-text-primary);
  margin-bottom: var(--kp-spacing-xs);
}

.kp-input {
  width: 100%;
  padding: var(--kp-spacing-sm) var(--kp-spacing-md);
  border: 2px solid var(--kp-color-border-primary);
  border-radius: var(--kp-radius-md);
  font-family: var(--kp-font-primary);
  font-size: var(--kp-font-size-base);
  color: var(--kp-color-text-primary);
  background: var(--kp-color-bg-secondary);
  transition: all var(--kp-transition-base);
}

.kp-input:focus {
  outline: none;
  border-color: var(--kp-color-primary);
  box-shadow: 0 0 0 3px rgba(30, 42, 120, 0.1);
}

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

.kp-input:invalid:focus {
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.kp-textarea {
  min-height: 120px;
  resize: vertical;
}

.kp-select {
  appearance: none;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M6 9l6 6 6-6"/></svg>');
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 40px;
}

/* ==========================================
   4. BADGE COMPONENTS
   ========================================== */

.kp-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--kp-spacing-xs);
  padding: var(--kp-spacing-xs) var(--kp-spacing-sm);
  border-radius: var(--kp-radius-full);
  font-size: var(--kp-font-size-xs);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kp-badge-primary {
  background: var(--kp-color-primary);
  color: var(--kp-color-text-inverse);
}

.kp-badge-secondary {
  background: var(--kp-color-secondary);
  color: var(--kp-color-text-inverse);
}

.kp-badge-accent {
  background: var(--kp-color-accent);
  color: var(--kp-color-text-primary);
}

.kp-badge-success {
  background: var(--kp-color-success);
  color: var(--kp-color-text-inverse);
}

.kp-badge-warning {
  background: var(--kp-color-warning);
  color: var(--kp-color-text-primary);
}

.kp-badge-error {
  background: var(--kp-color-error);
  color: var(--kp-color-text-inverse);
}

.kp-badge-outline {
  background: transparent;
  border: 1px solid var(--kp-color-border-primary);
  color: var(--kp-color-text-primary);
}

/* ==========================================
   5. AVATAR COMPONENTS
   ========================================== */

.kp-avatar {
  display: inline-block;
  width: 40px;
  height: 40px;
  border-radius: var(--kp-radius-full);
  object-fit: cover;
  border: 2px solid var(--kp-color-border-primary);
  transition: all var(--kp-transition-base);
}

.kp-avatar:hover {
  transform: scale(1.05);
  border-color: var(--kp-color-accent);
}

.kp-avatar-sm {
  width: 32px;
  height: 32px;
}

.kp-avatar-lg {
  width: 56px;
  height: 56px;
}

.kp-avatar-xl {
  width: 80px;
  height: 80px;
}

.kp-avatar-online {
  position: relative;
}

.kp-avatar-online::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 12px;
  height: 12px;
  background: var(--kp-color-success);
  border: 2px solid var(--kp-color-bg-secondary);
  border-radius: var(--kp-radius-full);
}

/* ==========================================
   6. LOADING COMPONENTS
   ========================================== */

.kp-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--kp-color-border-primary);
  border-top: 4px solid var(--kp-color-primary);
  border-radius: var(--kp-radius-full);
  animation: kp-spin 1s linear infinite;
}

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

.kp-spinner-sm {
  width: 24px;
  height: 24px;
  border-width: 2px;
}

.kp-spinner-lg {
  width: 56px;
  height: 56px;
  border-width: 6px;
}

.kp-loading-text {
  display: flex;
  align-items: center;
  gap: var(--kp-spacing-sm);
  color: var(--kp-color-text-secondary);
  font-size: var(--kp-font-size-base);
}

/* ==========================================
   7. MODAL COMPONENTS
   ========================================== */

.kp-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--kp-color-bg-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--kp-z-modal);
  padding: var(--kp-spacing-lg);
}

.kp-modal {
  background: var(--kp-color-bg-secondary);
  border-radius: var(--kp-radius-xl);
  box-shadow: var(--kp-shadow-xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.kp-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--kp-spacing-lg);
  border-bottom: 1px solid var(--kp-color-border-primary);
}

.kp-modal-title {
  font-family: var(--kp-font-heading);
  font-size: var(--kp-font-size-xl);
  font-weight: 700;
  color: var(--kp-color-text-primary);
  margin: 0;
}

.kp-modal-close {
  background: none;
  border: none;
  font-size: var(--kp-font-size-xl);
  color: var(--kp-color-text-secondary);
  cursor: pointer;
  padding: var(--kp-spacing-xs);
  border-radius: var(--kp-radius-md);
  transition: all var(--kp-transition-base);
}

.kp-modal-close:hover {
  background: var(--kp-color-bg-tertiary);
  color: var(--kp-color-text-primary);
}

.kp-modal-body {
  padding: var(--kp-spacing-lg);
}

.kp-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--kp-spacing-md);
  padding: var(--kp-spacing-lg);
  border-top: 1px solid var(--kp-color-border-primary);
}

/* ==========================================
   8. ALERT COMPONENTS
   ========================================== */

.kp-alert {
  padding: var(--kp-spacing-md);
  border-radius: var(--kp-radius-md);
  border: 1px solid;
  margin-bottom: var(--kp-spacing-md);
  display: flex;
  align-items: flex-start;
  gap: var(--kp-spacing-sm);
}

.kp-alert-success {
  background: rgba(81, 207, 102, 0.1);
  border-color: var(--kp-color-success);
  color: var(--kp-color-success);
}

.kp-alert-warning {
  background: rgba(255, 212, 59, 0.1);
  border-color: var(--kp-color-warning);
  color: var(--kp-color-warning);
}

.kp-alert-error {
  background: rgba(255, 107, 107, 0.1);
  border-color: var(--kp-color-error);
  color: var(--kp-color-error);
}

.kp-alert-info {
  background: rgba(51, 154, 240, 0.1);
  border-color: var(--kp-color-info);
  color: var(--kp-color-info);
}

.kp-alert-icon {
  font-size: var(--kp-font-size-lg);
  margin-top: 2px;
}

.kp-alert-content {
  flex: 1;
}

.kp-alert-title {
  font-weight: 700;
  margin-bottom: var(--kp-spacing-xs);
}

.kp-alert-message {
  font-size: var(--kp-font-size-base);
  line-height: var(--kp-line-height-relaxed);
}

/* ==========================================
   9. RESPONSIVE UTILITIES
   ========================================== */

/* Hide/show on different screen sizes */
@media (max-width: 575.98px) {
  .kp-d-sm-none { display: none !important; }
  .kp-d-sm-block { display: block !important; }
  .kp-d-sm-flex { display: flex !important; }
}

@media (max-width: 767.98px) {
  .kp-d-md-none { display: none !important; }
  .kp-d-md-block { display: block !important; }
  .kp-d-md-flex { display: flex !important; }
}

@media (max-width: 991.98px) {
  .kp-d-lg-none { display: none !important; }
  .kp-d-lg-block { display: block !important; }
  .kp-d-lg-flex { display: flex !important; }
}

@media (max-width: 1199.98px) {
  .kp-d-xl-none { display: none !important; }
  .kp-d-xl-block { display: block !important; }
  .kp-d-xl-flex { display: flex !important; }
}

/* ==========================================
   10. USAGE EXAMPLES
   ========================================== */

/*
Example Usage:

<!-- Primary Button -->
<button class="kp-btn kp-btn-primary">
  <i class="fas fa-save"></i>
  Save Changes
</button>

<!-- Card Component -->
<div class="kp-card">
  <div class="kp-card-header">
    <h3 class="kp-card-title">Card Title</h3>
    <p class="kp-card-subtitle">Card subtitle</p>
  </div>
  <div class="kp-card-body">
    <p>Card content goes here...</p>
  </div>
  <div class="kp-card-footer">
    <button class="kp-btn kp-btn-primary">Action</button>
  </div>
</div>

<!-- Form Group -->
<div class="kp-form-group">
  <label class="kp-label" for="email">Email Address</label>
  <input class="kp-input" type="email" id="email" placeholder="Enter your email">
</div>

<!-- Badge -->
<span class="kp-badge kp-badge-success">
  <i class="fas fa-check"></i>
  Verified
</span>

<!-- Avatar -->
<img class="kp-avatar kp-avatar-lg kp-avatar-online" src="avatar.jpg" alt="User Avatar">

<!-- Alert -->
<div class="kp-alert kp-alert-success">
  <i class="kp-alert-icon fas fa-check-circle"></i>
  <div class="kp-alert-content">
    <div class="kp-alert-title">Success!</div>
    <div class="kp-alert-message">Your changes have been saved.</div>
  </div>
</div>
*/