/* ============================================================
   CloudVault — Components CSS
   Buttons, Badges, Cards, Inputs, Modals, Toasts, Toggles, etc.
   ============================================================ */

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
    user-select: none;
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.5), var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-glass-heavy);
    border-color: var(--border-color-hover);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
}

.btn-success {
    background: var(--color-success);
    color: #fff;
}

.btn-success:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--color-error);
    color: #fff;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.btn-sm {
    padding: 6px 14px;
    font-size: var(--font-size-xs);
    border-radius: var(--border-radius-sm);
}

.btn-lg {
    padding: 14px 28px;
    font-size: var(--font-size-md);
    border-radius: var(--border-radius-lg);
}

.btn-xl {
    padding: 18px 40px;
    font-size: var(--font-size-lg);
    border-radius: var(--border-radius-lg);
}

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

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn .btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ==================== FORM INPUTS ==================== */

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    font-size: var(--font-size-base);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    background: var(--bg-input-focus);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-light);
}

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

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

.form-error {
    font-size: var(--font-size-xs);
    color: var(--color-error);
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* ==================== CHIPS / CHIP SELECTOR ==================== */

.chip-group {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.chip:hover {
    background: var(--bg-glass-heavy);
    border-color: var(--border-color-hover);
}

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

/* ==================== TOGGLE SWITCH ==================== */

.toggle {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

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

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-full);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition);
}

.toggle-slider::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 2px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--text-secondary);
    border-radius: 50%;
    transition: all var(--transition);
}

.toggle input:checked+.toggle-slider {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.toggle input:checked+.toggle-slider::after {
    left: calc(100% - 20px);
    background: #fff;
}

/* ==================== BADGES ==================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius-full);
    white-space: nowrap;
}

.badge-public {
    background: var(--color-info-bg);
    color: var(--color-info);
}

.badge-private {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.badge-protected {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.badge-success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.badge-admin {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(59, 130, 246, 0.15));
    color: var(--color-secondary);
}

/* Status dots */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.online {
    background: var(--color-success);
    box-shadow: 0 0 6px var(--color-success);
}

.status-dot.offline {
    background: var(--color-error);
    box-shadow: 0 0 6px var(--color-error);
}

.status-dot.pending {
    background: var(--color-warning);
    box-shadow: 0 0 6px var(--color-warning);
}

/* ==================== CARDS ==================== */

.card {
    background: var(--bg-glass);
    border: var(--border-glass);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    transition: var(--transition-spring);
    position: relative;
    overflow: hidden;
    z-index: var(--z-base);
}

.card:hover {
    background: var(--bg-glass-heavy);
    border-color: var(--color-primary);
    transform: translateY(-6px);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
}

.card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 100%);
    pointer-events: none;
}

.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border: var(--border-glass);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
}

.card-gradient {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
}

/* ==================== MODAL ==================== */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

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

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    z-index: var(--z-modal);
    max-height: 90vh;
    overflow-y: auto;
    width: 90%;
    max-width: 560px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-spring);
}

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

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

.modal-header h2 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

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

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.modal-lg {
    max-width: 720px;
}

.modal-xl {
    max-width: 900px;
}

/* ==================== TOAST NOTIFICATIONS ==================== */

.toast-container {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 14px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 320px;
    max-width: 420px;
    animation: toastIn 0.4s var(--transition-spring);
}

.toast.toast-success {
    border-left: 3px solid var(--color-success);
}

.toast.toast-error {
    border-left: 3px solid var(--color-error);
}

.toast.toast-warning {
    border-left: 3px solid var(--color-warning);
}

.toast.toast-info {
    border-left: 3px solid var(--color-info);
}

.toast-message {
    flex: 1;
    font-size: var(--font-size-sm);
}

.toast-close {
    color: var(--text-tertiary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-primary);
}

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

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes toastOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }

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

/* ==================== PROGRESS BAR ==================== */

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-glass);
    border-radius: var(--border-radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-full);
    transition: width var(--transition);
    position: relative;
}

.progress-fill.animated::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: progressShine 1.5s infinite;
}

@keyframes progressShine {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(100%);
    }
}

.progress-bar-sm {
    height: 4px;
}

.progress-bar-lg {
    height: 12px;
}

/* Color variants */
.progress-fill.success {
    background: var(--color-success);
}

.progress-fill.warning {
    background: var(--color-warning);
}

.progress-fill.danger {
    background: var(--color-error);
}

/* ==================== FILE TYPE ICONS ==================== */

.file-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    font-size: 20px;
    font-weight: var(--font-weight-bold);
}

.file-icon.image {
    background: rgba(59, 130, 246, 0.12);
    color: #3b82f6;
}

.file-icon.video {
    background: rgba(168, 85, 247, 0.12);
    color: #a855f7;
}

.file-icon.audio {
    background: rgba(236, 72, 153, 0.12);
    color: #ec4899;
}

.file-icon.pdf {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
}

.file-icon.document {
    background: rgba(59, 130, 246, 0.12);
    color: #3b82f6;
}

.file-icon.archive {
    background: rgba(245, 158, 11, 0.12);
    color: #f59e0b;
}

.file-icon.code {
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
}

.file-icon.other {
    background: var(--bg-glass);
    color: var(--text-secondary);
}

/* ==================== DROPDOWN MENU ==================== */

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 200px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all var(--transition-fast);
    padding: var(--space-xs);
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 12px;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.dropdown-item:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--space-xs) 0;
}

/* ==================== TABS ==================== */

.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    gap: var(--space-xs);
}

.tab {
    padding: 10px 20px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* ==================== TABLE ==================== */

.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
}

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

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

.table td {
    padding: 12px 16px;
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--border-color);
}

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

.table tr:hover td {
    background: var(--bg-glass);
}

/* ==================== AVATAR ==================== */

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    flex-shrink: 0;
}

.avatar-sm {
    width: 28px;
    height: 28px;
    font-size: var(--font-size-xs);
}

.avatar-lg {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-md);
}

/* ==================== EMPTY STATE ==================== */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-4xl) var(--space-lg);
    text-align: center;
    gap: var(--space-md);
}

.empty-state-icon {
    font-size: 48px;
    color: var(--text-tertiary);
    margin-bottom: var(--space-sm);
}

.empty-state h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

.empty-state p {
    color: var(--text-secondary);
    max-width: 400px;
}

/* ==================== DRAG & DROP ZONE ==================== */

.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--bg-glass);
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.drop-zone.dragover {
    transform: scale(1.01);
}

.drop-zone-icon {
    font-size: 48px;
    color: var(--text-tertiary);
    margin-bottom: var(--space-md);
}

.drop-zone-text {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
}

.drop-zone-hint {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-top: var(--space-xs);
}

/* ==================== COPY BUTTON ==================== */

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: var(--font-size-xs);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.copy-btn:hover {
    background: var(--bg-glass-heavy);
    color: var(--text-primary);
}

.copy-btn.copied {
    background: var(--color-success-bg);
    border-color: var(--color-success);
    color: var(--color-success);
}

/* ==================== PASSWORD STRENGTH METER ==================== */

.password-strength {
    display: flex;
    gap: 4px;
    margin-top: 6px;
}

.password-strength-bar {
    flex: 1;
    height: 4px;
    border-radius: 2px;
    background: var(--bg-glass);
    transition: background var(--transition-fast);
}

.password-strength[data-strength="1"] .password-strength-bar:nth-child(1) {
    background: var(--color-error);
}

.password-strength[data-strength="2"] .password-strength-bar:nth-child(-n+2) {
    background: var(--color-warning);
}

.password-strength[data-strength="3"] .password-strength-bar:nth-child(-n+3) {
    background: var(--color-primary);
}

.password-strength[data-strength="4"] .password-strength-bar {
    background: var(--color-success);
}

/* ==================== AD ZONE PLACEHOLDER ==================== */

.ad-zone {
    width: 100%;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.ad-zone img {
    max-width: 100%;
    height: auto;
}