/* ============================================================
   PushNotify Dashboard - Component Styles
   Reusable UI components
   ============================================================ */

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--pn-radius-md);
    font-family: var(--pn-font-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--pn-transition);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
}

.btn-primary {
    background: var(--pn-gradient);
    color: #fff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    background: var(--pn-gradient-hover);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--pn-text-secondary);
    border: 1px solid var(--pn-border-light);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--pn-text-primary);
    border-color: var(--pn-border-accent);
}

.btn-danger {
    background: var(--pn-danger-bg);
    color: var(--pn-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--pn-radius-md);
}

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

/* ---- Cards ---- */
.card {
    background: var(--pn-bg-card);
    border: 1px solid var(--pn-border);
    border-radius: var(--pn-radius-lg);
    padding: 24px;
    transition: var(--pn-transition);
}

.card:hover {
    border-color: var(--pn-border-light);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--pn-text-primary);
    letter-spacing: -0.01em;
}

.card-subtitle {
    font-size: 13px;
    color: var(--pn-text-muted);
    margin-top: 4px;
}

/* ---- Stat Cards ---- */
.stat-card {
    background: var(--pn-bg-card);
    border: 1px solid var(--pn-border);
    border-radius: var(--pn-radius-lg);
    padding: 20px 24px;
    transition: var(--pn-transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--pn-gradient);
    opacity: 0;
    transition: var(--pn-transition);
}

.stat-card:hover {
    border-color: var(--pn-border-accent);
    transform: translateY(-2px);
    box-shadow: var(--pn-shadow-glow);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card__icon {
    width: 44px;
    height: 44px;
    border-radius: var(--pn-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 20px;
}

.stat-card__icon--purple { background: rgba(99, 102, 241, 0.12); color: var(--pn-accent-light); }
.stat-card__icon--green  { background: var(--pn-success-bg); color: var(--pn-success); }
.stat-card__icon--blue   { background: var(--pn-info-bg); color: var(--pn-info); }
.stat-card__icon--orange { background: var(--pn-warning-bg); color: var(--pn-warning); }
.stat-card__icon--red    { background: var(--pn-danger-bg); color: var(--pn-danger); }

.stat-card__value {
    font-size: 28px;
    font-weight: 800;
    color: var(--pn-text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.stat-card__label {
    font-size: 13px;
    color: var(--pn-text-muted);
    margin-top: 4px;
}

.stat-card__change {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 600;
    margin-top: 8px;
    padding: 2px 8px;
    border-radius: var(--pn-radius-full);
}

.stat-card__change--up {
    background: var(--pn-success-bg);
    color: var(--pn-success);
}

.stat-card__change--down {
    background: var(--pn-danger-bg);
    color: var(--pn-danger);
}

/* ---- Form Inputs ---- */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--pn-text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.01em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--pn-bg-input);
    border: 1px solid var(--pn-border-light);
    border-radius: var(--pn-radius-md);
    color: var(--pn-text-primary);
    font-family: var(--pn-font-primary);
    font-size: 14px;
    transition: var(--pn-transition);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--pn-accent);
    box-shadow: 0 0 0 3px var(--pn-accent-glow);
}

.form-input::placeholder {
    color: var(--pn-text-dim);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8.825L1.175 4 2.238 2.938 6 6.7 9.763 2.937 10.825 4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-hint {
    font-size: 12px;
    color: var(--pn-text-dim);
    margin-top: 6px;
}

/* ---- Toggle Switch ---- */
.toggle {
    position: relative;
    width: 44px;
    height: 24px;
    cursor: pointer;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--pn-radius-full);
    transition: var(--pn-transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: var(--pn-transition);
}

.toggle input:checked + .toggle-slider {
    background: var(--pn-accent);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

/* ---- Tables ---- */
.table-container {
    overflow-x: auto;
    border-radius: var(--pn-radius-lg);
    border: 1px solid var(--pn-border);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--pn-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--pn-bg-secondary);
    border-bottom: 1px solid var(--pn-border);
}

.data-table td {
    padding: 12px 16px;
    font-size: 14px;
    color: var(--pn-text-secondary);
    border-bottom: 1px solid var(--pn-border);
}

.data-table tr:hover td {
    background: var(--pn-bg-card-hover);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* ---- Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: var(--pn-radius-full);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.badge--success { background: var(--pn-success-bg); color: var(--pn-success); }
.badge--warning { background: var(--pn-warning-bg); color: var(--pn-warning); }
.badge--danger  { background: var(--pn-danger-bg); color: var(--pn-danger); }
.badge--info    { background: var(--pn-info-bg); color: var(--pn-info); }
.badge--purple  { background: rgba(99, 102, 241, 0.12); color: var(--pn-accent-light); }
.badge--neutral { background: rgba(255, 255, 255, 0.06); color: var(--pn-text-muted); }

/* ---- Modal ---- */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: var(--pn-transition);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: var(--pn-bg-card);
    border: 1px solid var(--pn-border-light);
    border-radius: var(--pn-radius-xl);
    width: 90%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
    z-index: 9999;
    padding: 28px;
    box-shadow: var(--pn-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--pn-transition-slow);
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.modal-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--pn-text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--pn-radius-sm);
    color: var(--pn-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--pn-transition);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--pn-text-primary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--pn-border);
}

/* ---- Toast Notifications ---- */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    min-width: 300px;
    padding: 14px 20px;
    border-radius: var(--pn-radius-md);
    background: var(--pn-bg-card);
    border: 1px solid var(--pn-border-light);
    box-shadow: var(--pn-shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    font-size: 14px;
    color: var(--pn-text-primary);
}

.toast--success { border-left: 3px solid var(--pn-success); }
.toast--error   { border-left: 3px solid var(--pn-danger); }
.toast--info    { border-left: 3px solid var(--pn-info); }

@keyframes toastIn {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}

.toast-removing {
    animation: toastOut 0.3s ease forwards;
}

@keyframes toastOut {
    to { transform: translateX(100%); opacity: 0; }
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state__icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--pn-text-primary);
    margin-bottom: 8px;
}

.empty-state__text {
    font-size: 14px;
    color: var(--pn-text-muted);
    margin-bottom: 24px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ---- Loading Skeleton ---- */
.skeleton {
    background: linear-gradient(90deg, var(--pn-bg-card) 25%, var(--pn-bg-card-hover) 50%, var(--pn-bg-card) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--pn-radius-sm);
}

@keyframes shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ---- Pagination ---- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 20px;
}

.pagination__btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--pn-border);
    background: transparent;
    border-radius: var(--pn-radius-sm);
    color: var(--pn-text-secondary);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--pn-transition);
}

.pagination__btn:hover {
    border-color: var(--pn-accent);
    color: var(--pn-accent-light);
}

.pagination__btn.active {
    background: var(--pn-accent);
    border-color: var(--pn-accent);
    color: #fff;
}

/* ---- Code Block ---- */
.code-block {
    background: var(--pn-bg-primary);
    border: 1px solid var(--pn-border);
    border-radius: var(--pn-radius-md);
    padding: 16px;
    font-family: var(--pn-font-mono);
    font-size: 13px;
    color: var(--pn-accent-light);
    overflow-x: auto;
    position: relative;
}

.code-block__copy {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 12px;
    padding: 4px 10px;
}

/* ---- Tabs ---- */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--pn-border);
    margin-bottom: 24px;
}

.tab {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--pn-text-muted);
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    transition: var(--pn-transition);
}

.tab:hover {
    color: var(--pn-text-secondary);
}

.tab.active {
    color: var(--pn-accent-light);
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--pn-gradient);
    border-radius: 2px 2px 0 0;
}

/* ---- Dropdown ---- */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 180px;
    background: var(--pn-bg-card);
    border: 1px solid var(--pn-border-light);
    border-radius: var(--pn-radius-md);
    box-shadow: var(--pn-shadow-md);
    padding: 6px;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--pn-transition);
}

.dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--pn-radius-sm);
    font-size: 14px;
    color: var(--pn-text-secondary);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    transition: var(--pn-transition);
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--pn-text-primary);
}

.dropdown-divider {
    height: 1px;
    background: var(--pn-border);
    margin: 4px 0;
}

/* ---- Loading Spinner ---- */
.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid var(--pn-accent-light);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}