/* ============================================
   Components - Buttons, Forms, Badges, etc.
   ============================================ */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    transition: var(--transition);
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    font-size: 0.82rem;
    text-decoration: none;
    line-height: 1.5;
    letter-spacing: -0.01em;
}

.btn:hover {
    transform: none;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff !important;
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    box-shadow: var(--shadow-md);
}

.btn-outline-primary {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary) !important;
}

.btn-outline-primary:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff !important;
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--surface-variant);
    color: var(--on-surface-secondary);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: var(--surface-subtle);
    color: var(--on-surface);
    border-color: var(--on-surface-tertiary);
}

.btn-outline-secondary {
    background: transparent;
    border-color: var(--border);
    color: var(--on-surface-secondary);
}

.btn-outline-secondary:hover {
    background: var(--surface-variant);
    color: var(--on-surface);
    border-color: var(--on-surface-tertiary);
}

.btn-success {
    background: var(--accent-green);
    color: white !important;
    border-color: var(--accent-green);
}

.btn-success:hover {
    opacity: 0.9;
}

.btn-outline-success {
    background: rgba(16, 185, 129, 0.08);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.btn-outline-success:hover {
    background: var(--accent-green);
    color: white !important;
}

.btn-warning {
    background: var(--accent-amber);
    color: #000000 !important;
    border-color: var(--accent-amber);
}

.btn-warning:hover {
    opacity: 0.9;
}

.btn-outline-warning {
    background: rgba(245, 158, 11, 0.08);
    border-color: var(--accent-amber);
    color: var(--accent-amber);
}

.btn-outline-warning:hover {
    background: var(--accent-amber);
    color: #000000 !important;
}

.btn-danger {
    background: var(--accent-red);
    color: white !important;
    border-color: var(--accent-red);
}

.btn-danger:hover {
    opacity: 0.9;
}

.btn-outline-danger {
    background: rgba(239, 108, 108, 0.08);
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.btn-outline-danger:hover {
    background: var(--accent-red);
    color: white !important;
}

.btn-ghost {
    background: transparent;
    color: var(--on-surface-secondary);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--surface-variant);
    color: var(--on-surface);
}

.btn-sm {
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    font-size: 1rem;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-lg);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    border: 1px solid transparent;
}

.bg-secondary {
    background: var(--surface-variant);
    color: var(--on-surface-secondary);
    border-color: var(--border);
}

.bg-primary {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

.bg-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    border-color: rgba(16, 185, 129, 0.2);
}

.bg-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-amber);
    border-color: rgba(245, 158, 11, 0.2);
}

.bg-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
    border-color: rgba(239, 68, 68, 0.2);
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin-bottom: 1rem;
    font-size: 0.82rem;
    color: var(--on-surface);
}

.alert-info {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--on-surface);
}

.alert-success {
    background: rgba(16, 185, 129, 0.05);
    border-color: var(--accent-green);
    color: var(--on-surface);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.05);
    border-color: var(--accent-amber);
    color: var(--on-surface);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.05);
    border-color: var(--accent-red);
    color: var(--on-surface);
}

/* Progress */
.progress {
    width: 100%;
    background: var(--surface-variant);
    border-radius: var(--radius-pill);
    overflow: hidden;
    height: 6px;
}

.progress-bar {
    background: var(--primary);
    height: 100%;
    transition: width 0.3s ease;
}

.progress-bar-striped {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%
    );
    background-size: 1rem 1rem;
}

.progress-bar-animated {
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% { background-position: 1rem 0; }
    100% { background-position: 0 0; }
}

/* Spinner */
.spinner-border {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

/* Inputs and Forms */
.form-control, .form-select {
    font-size: 0.82rem;
    font-family: var(--font-sans);
    padding: 0.45rem 0.7rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    background: rgba(15, 23, 42, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--on-surface);
    transition: var(--transition);
    width: 100%;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.form-control:focus, .form-select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1), inset 0 2px 4px rgba(0, 0, 0, 0.2);
    background: rgba(15, 23, 42, 0.5);
}

.form-label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--on-surface-secondary);
    margin-bottom: 0.35rem;
    display: block;
}

.form-text {
    font-size: 0.72rem;
    color: var(--on-surface-tertiary);
    margin-top: 0.25rem;
}

/* Input Group */
.input-group {
    display: flex;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0.45rem 0.7rem;
    background: var(--surface-variant);
    border: 1px solid var(--border);
    color: var(--on-surface-tertiary);
    font-size: 0.82rem;
    border-radius: var(--radius-sm);
}

.input-group .form-control {
    flex: 1;
    min-width: 0;
}

.input-group .btn {
    flex-shrink: 0;
}

.border-end-0 { border-right: 0 !important; }
.border-start-0 { border-left: 0 !important; }
.bg-transparent { background: transparent !important; }

/* Button Group */
.btn-group {
    display: flex;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.btn-group-sm .btn {
    font-size: 0.7rem;
    padding: 0.15rem 0.4rem;
}

/* Nav */
.nav {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--on-surface-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--on-surface);
}

.nav-link.active {
    color: var(--on-surface);
    font-weight: 600;
}

.nav-pills .nav-link {
    border-radius: var(--radius-sm);
}

.nav-pills .nav-link.active {
    background: var(--primary);
    color: white !important;
}

/* Toast */
.toast-container {
    position: fixed;
    z-index: 1100;
}

.toast {
    background: rgba(31, 41, 55, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(55, 65, 81, 0.5);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.85rem 1rem;
    margin-bottom: 0.5rem;
    min-width: 250px;
}

.toast-body {
    font-size: 0.82rem;
    color: var(--on-surface);
}

/* Version Warning */
.version-warning-list {
    margin-top: 1rem;
    padding: 0.75rem;
    background: rgba(21, 27, 43, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(55, 65, 81, 0.3);
}

.version-warning-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.version-warning-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.5rem;
    background: rgba(31, 41, 55, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(55, 65, 81, 0.5);
    border-radius: var(--radius-pill);
    font-size: 0.7rem;
}

.version-warning-id {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    color: var(--primary);
}

.version-warning-name {
    color: var(--on-surface-secondary);
    max-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.version-warning-more {
    font-size: 0.7rem;
    color: var(--on-surface-tertiary);
    display: flex;
    align-items: center;
}

/* ============================================
   Enhanced Toast System
   ============================================ */

.app-toast {
    background: rgba(31, 41, 55, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(55, 65, 81, 0.5);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(139, 92, 246, 0.1);
    margin-bottom: 0.5rem;
    min-width: 280px;
    max-width: 400px;
}

.app-toast .toast-body {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1rem;
    font-size: 0.82rem;
    color: var(--on-surface);
}

.app-toast .toast-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.app-toast.toast-success .toast-icon {
    color: var(--accent-green);
}

.app-toast.toast-error .toast-icon {
    color: var(--accent-red);
}

.app-toast.toast-info .toast-icon {
    color: var(--accent-cyan);
}

.app-toast.toast-warning .toast-icon {
    color: var(--accent-amber);
}

.toast-action-btn {
    margin-left: auto;
    background: transparent;
    border: 1px solid rgba(55, 65, 81, 0.5);
    color: var(--on-surface-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-xs);
    font-size: 0.72rem;
    cursor: pointer;
    transition: var(--transition);
}

.toast-action-btn:hover {
    background: rgba(139, 92, 246, 0.15);
    border-color: var(--primary);
    color: var(--primary);
}

/* ============================================
   Global Tooltip
   ============================================ */

.global-tooltip {
    position: absolute;
    z-index: 1200;
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--on-surface);
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius-xs);
    font-size: 0.72rem;
    font-weight: 500;
    pointer-events: none;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(55, 65, 81, 0.5);
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   Auto-Save Indicator
   ============================================ */

.autosave-indicator {
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    z-index: 1100;
    background: rgba(31, 41, 55, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(55, 65, 81, 0.5);
    border-radius: var(--radius-pill);
    padding: 0.4rem 0.75rem;
    font-size: 0.72rem;
    color: var(--on-surface-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.autosave-indicator i {
    font-size: 0.8rem;
}

.autosave-indicator.autosave-saved {
    border-color: rgba(74, 222, 128, 0.3);
    color: var(--accent-green);
}

.autosave-indicator.autosave-error {
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--accent-red);
}

/* ============================================
   Keyboard Shortcuts Help
   ============================================ */

.keyboard-shortcuts-help {
    padding: 0.5rem;
}

.keyboard-shortcuts-help h5 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--on-surface);
}

.shortcuts-list {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.shortcut-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.35rem 0;
    border-bottom: 1px solid rgba(55, 65, 81, 0.3);
}

.shortcut-row:last-child {
    border-bottom: none;
}

.shortcut-row kbd {
    background: rgba(31, 41, 55, 0.6);
    border: 1px solid rgba(55, 65, 81, 0.5);
    border-radius: var(--radius-xs);
    padding: 0.15rem 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--on-surface-secondary);
    min-width: 60px;
    text-align: center;
}

.shortcut-row span {
    font-size: 0.78rem;
    color: var(--on-surface-tertiary);
}

/* ============================================
   Offline Avatars (Initials and Icons)
   ============================================ */

.group-avatar-container,
.software-avatar-container {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
    transition: var(--transition);
    user-select: none;
}

.group-avatar-initials,
.software-avatar-icon {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.88rem;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.software-avatar-icon i {
    font-size: 1.1rem;
}

.group-card:hover .group-avatar-container,
.software-card:hover .software-avatar-container {
    transform: scale(1.05);
    box-shadow: 0 0 12px var(--primary);
}

.group-card-avatar-row,
.software-card-avatar-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 0.6rem;
}

.group-detail-header-wrap,
.software-detail-header-wrap {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1rem;
}

.detail-modal-avatar {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-md), 0 0 15px rgba(255, 255, 255, 0.05);
    overflow: hidden;
    user-select: none;
}

.detail-modal-avatar .group-avatar-initials {
    font-size: 1.35rem;
}

.detail-modal-avatar .software-avatar-icon i {
    font-size: 1.6rem;
}