/* OptiTaskModal — spec 008 §7 */
:root {
    --modal-overlay-bg: rgba(0, 0, 0, 0.5);
    --modal-bg: #fff;
    --modal-radius: 12px;
    --modal-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --modal-header-height: 56px;
    --modal-footer-height: 64px;
    --modal-transition-open: 200ms ease;
    --modal-transition-close: 150ms ease;
    --modal-mode-create: #2563eb;
    --modal-mode-edit: #ea580c;
    --modal-mode-view: #6b7280;
}

.optitask-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: var(--modal-overlay-bg);
    backdrop-filter: blur(4px);
    animation: optitask-modal-overlay-in var(--modal-transition-open) ease;
}

.optitask-modal-overlay.optitask-modal-mode-view { --modal-mode-create: var(--modal-mode-view); }

@keyframes optitask-modal-overlay-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.optitask-modal {
    position: relative;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 2rem);
    background: var(--modal-bg);
    border-radius: var(--modal-radius);
    box-shadow: var(--modal-shadow);
    animation: optitask-modal-in var(--modal-transition-open) ease;
}

@keyframes optitask-modal-in {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.optitask-modal-size-small { max-width: 440px; width: 100%; }
.optitask-modal-size-medium { max-width: 640px; width: 100%; }
.optitask-modal-size-large { max-width: 860px; width: 100%; }
.optitask-modal-size-xlarge { max-width: 1080px; width: 100%; }
.optitask-modal-size-fullscreen { max-width: calc(100vw - 2rem); width: 100%; }

.optitask-modal-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
    min-height: var(--modal-header-height);
    padding: 0 1rem 0 1.25rem;
    border-radius: var(--modal-radius) var(--modal-radius) 0 0;
}
.optitask-modal-mode-create .optitask-modal-header { background: linear-gradient(135deg, #2563eb 0%, #059669 100%); color: #fff; }
.optitask-modal-mode-edit .optitask-modal-header { background: linear-gradient(135deg, #ea580c 0%, #d97706 100%); color: #fff; }
.optitask-modal-mode-view .optitask-modal-header { background: #f3f4f6; color: #374151; }

.optitask-modal-icon { font-size: 1.25rem; opacity: 0.95; }
.optitask-modal-title { margin: 0; font-size: 1.125rem; font-weight: 600; flex: 1; }
.optitask-modal-badge {
    font-size: 0.75rem; font-weight: 600; padding: 0.25rem 0.5rem; border-radius: 6px;
}
.optitask-modal-mode-create .optitask-modal-badge { background: rgba(255,255,255,0.3); }
.optitask-modal-mode-edit .optitask-modal-badge { background: rgba(255,255,255,0.3); }
.optitask-modal-header-actions { margin-left: auto; }
.optitask-modal-close {
    background: none; border: none; font-size: 1.5rem; line-height: 1; cursor: pointer;
    opacity: 0.9; padding: 0.25rem;
}
.optitask-modal-close:hover { opacity: 1; }

.optitask-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem;
    max-height: calc(100vh - var(--modal-header-height) - var(--modal-footer-height) - 2rem);
}
.optitask-modal-loading {
    display: flex; align-items: center; justify-content: center; gap: 0.5rem;
    min-height: 120px; color: var(--text-secondary);
}
.optitask-spinner {
    display: inline-block; width: 1.25rem; height: 1.25rem;
    border: 2px solid #e5e7eb; border-top-color: #3b82f6; border-radius: 50%;
    animation: optitask-spin 0.7s linear infinite;
}
.optitask-spinner-inline { width: 1rem; height: 1rem; margin-right: 0.25rem; vertical-align: middle; }
@keyframes optitask-spin { to { transform: rotate(360deg); } }

.optitask-modal-footer {
    display: flex; justify-content: flex-end; gap: 0.75rem; flex-shrink: 0;
    padding: 1rem 1.25rem; border-top: 1px solid #e5e7eb; background: #fafafa;
    border-radius: 0 0 var(--modal-radius) var(--modal-radius);
}

/* OptiTaskConfirmModal */
.optitask-confirm-message { padding: 0.25rem 0; }
.optitask-confirm-message-main { margin: 0 0 0.5rem; font-weight: 500; }
.optitask-confirm-message-detail { margin: 0; color: var(--text-secondary); font-size: 0.9rem; }
.optitask-confirm-type-danger .optitask-confirm-message-main { color: #b91c1c; }
.optitask-confirm-type-warning .optitask-confirm-message-main { color: #b45309; }
.optitask-confirm-type-info .optitask-confirm-message-main { color: #1d4ed8; }
.optitask-confirm-input label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.25rem; }

@media (max-width: 767px) {
    .optitask-modal-overlay { align-items: flex-end; padding: 0; }
    .optitask-modal {
        max-height: 90vh; width: 100%; max-width: none;
        border-radius: 16px 16px 0 0; margin-top: auto;
    }
    .optitask-modal-header { border-radius: 16px 16px 0 0; }
    .optitask-modal-footer { border-radius: 0; }
}