/* =======================================================================
   BUTTONS
   =======================================================================
   All button styles and variants for consistent UI elements.
   ======================================================================= */

/* ============================================
   BASE BUTTON STYLES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 999px;
    text-decoration: none;
    border: 1px solid transparent;
    white-space: nowrap;
    user-select: none;
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

/* ============================================
   PRIMARY BUTTONS
   ============================================ */
.btn-primary {
    background: var(--button-primary-bg);
    color: var(--button-primary-text);
    border: none;
    box-shadow: 0 1px 2px rgba(232,119,46,0.08);
}

.btn-primary:hover:not(:disabled) {
    background: var(--brand-accent-orange-light);
    color: var(--button-primary-text);
}

.btn-primary:disabled {
    background: #e3e3e3;
    color: #aaa;
}

/* ============================================
   SECONDARY BUTTONS
   ============================================ */
.btn-secondary {
    background: var(--button-secondary-bg);
    color: var(--button-secondary-text);
    border: 1px solid var(--button-secondary-border);
    box-shadow: 0 1px 2px rgba(26,79,163,0.04);
}

.btn-secondary:hover:not(:disabled) {
    background: #cbe4ff;
    color: #174080;
    border-color: #90c2fa;
}

/* ============================================
   DANGER/DELETE BUTTONS
   ============================================ */
.btn-delete, .btn-danger {
    background-color: #d32f2f;
    color: white;
    border: 1px solid #d32f2f;
    border-radius: 4px;
    font-size: 1em;
    transition: all 0.2s ease;
}

.btn-delete:hover:not(:disabled), .btn-danger:hover:not(:disabled) {
    background-color: #b71c1c;
    border-color: #b71c1c;
    box-shadow: 0 2px 8px rgba(211, 47, 47, 0.3);
}

/* ============================================
   ICON BUTTONS
   ============================================ */
.icon-button {
    background: none !important;
    border: none !important;
    padding: 2px 4px;
    cursor: pointer;
    color: var(--text-color-light);
    transition: color 0.2s ease, opacity 0.2s ease, background-color 0.2s ease;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    min-height: 20px;
    box-shadow: none !important;
    outline: none;
    font-size: var(--font-size-sm);
}

.icon-button:hover {
    color: var(--brand-accent-orange);
    background: rgba(235, 129, 50, 0.1) !important;
}

.icon-button:focus {
    outline: none;
    color: var(--brand-accent-orange);
    background: rgba(235, 129, 50, 0.15) !important;
}

.icon-button:active {
    opacity: 0.8;
}

/* ============================================
   ACTION ICONS
   ============================================ */
.action-icon {
    background: none !important;
    border: none !important;
    padding: 4px;
    cursor: pointer;
    color: var(--text-color-light);
    transition: color 0.2s ease;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    min-height: 20px;
    box-shadow: none !important;
    font-size: var(--font-size-sm);
}

.action-icon:hover {
    color: var(--brand-accent-orange);
}

.action-icon.delete-icon:hover {
    color: #d32f2f;
}

.action-icon.restore-icon:hover {
    color: #28a745;
}

/* ============================================
   CHAT SEND BUTTON
   ============================================ */
.chat-send-button {
    border-radius: 25px;
    min-width: 80px;
    flex-shrink: 0;
}

/* ============================================
   NEW CONVERSATION BUTTON
   ============================================ */
.new-conversation-button {
    width: 100%;
    margin-top: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

/* ============================================
   SPECIALIZED BUTTONS
   ============================================ */

/* Save buttons with specific styling */
.save-notes-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: background-color 0.2s;
}

.save-notes-btn:hover:not(:disabled) {
    background: #0056b3;
}

.save-notes-btn:disabled {
    background: #6c757d;
    cursor: not-allowed;
}

/* ============================================
   BUTTON GROUPS
   ============================================ */
.btn-group {
    display: inline-flex;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.btn-group .btn {
    border-radius: 0;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-group .btn:first-child {
    border-top-left-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-md);
}

.btn-group .btn:last-child {
    border-top-right-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
    border-right: none;
}

/* ============================================
   BUTTON SIZES
   ============================================ */
.btn-xs {
    padding: 4px 8px;
    font-size: var(--font-size-xs);
    min-height: 24px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: var(--font-size-sm);
    min-height: 32px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: var(--font-size-lg);
    min-height: 48px;
}

.btn-xl {
    padding: 16px 32px;
    font-size: var(--font-size-xl);
    min-height: 56px;
}

/* ============================================
   DARK MODE ADJUSTMENTS (Manual Toggle Only)
   ============================================ */
body.dark-mode .btn-primary {
    background: var(--button-primary-bg);
    color: var(--button-primary-text);
    box-shadow: 0 1px 2px rgba(232,119,46,0.15);
    font-weight: 600;
}

body.dark-mode .btn-primary:hover:not(:disabled) {
    background: var(--brand-accent-orange-dark, #E8A870);
    color: var(--button-primary-text);
}

body.dark-mode .btn-primary:disabled {
    background: #555;
    color: #888;
}

body.dark-mode .btn-secondary {
    background: var(--button-secondary-bg);
    color: var(--button-secondary-text);
    border: 1px solid var(--button-secondary-border);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

body.dark-mode .btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    color: var(--button-secondary-text);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Dark mode icon buttons */
body.dark-mode .icon-button {
    color: #bbb;
}

body.dark-mode .icon-button:hover {
    color: #eb8132;
    background: rgba(235, 129, 50, 0.15) !important;
}

body.dark-mode .icon-button:focus {
    color: #eb8132;
    background: rgba(235, 129, 50, 0.2) !important;
}

/* Dark mode action icons */
body.dark-mode .action-icon {
    color: #bbb;
}

body.dark-mode .action-icon:hover {
    color: #eb8132;
}

body.dark-mode .action-icon.delete-icon:hover {
    color: #f44336;
}

body.dark-mode .action-icon.restore-icon:hover {
    color: #4caf50;
}