/* Global Styles */
:root {
    --header-height: 60px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--sl-color-neutral-50);
    color: var(--sl-color-neutral-900);
    min-height: 100vh;
}

body.sl-theme-dark {
    background-color: var(--sl-color-neutral-900);
    color: var(--sl-color-neutral-50);
}

/* App Container */
#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.app-header {
    height: var(--header-height);
    background: var(--sl-color-primary-600);
    color: white;
    display: flex;
    align-items: center;
    padding: 0 1rem;
    gap: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.menu-toggle {
    color: white;
    font-size: 1.5rem;
}

.menu-toggle::part(base) {
    color: white;
}

.app-title {
    flex: 1;
    font-size: 1.5rem;
    font-weight: 600;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
}

.nav-item {
    justify-content: flex-start;
    width: 100%;
    font-size: 1rem;
}

.nav-item::part(base) {
    justify-content: flex-start;
}

/* Main Content */
.app-content {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

/* Page Sections */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--sl-color-neutral-900);
    margin-bottom: 0.5rem;
}

body.sl-theme-dark .page-title {
    color: var(--sl-color-neutral-50);
}

.page-description {
    color: var(--sl-color-neutral-600);
    font-size: 1rem;
}

body.sl-theme-dark .page-description {
    color: var(--sl-color-neutral-400);
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--sl-color-primary-600);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--sl-color-neutral-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Forms */
.form-section {
    margin-bottom: 2rem;
}

.form-section-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--sl-color-neutral-900);
}

body.sl-theme-dark .form-section-title {
    color: var(--sl-color-neutral-50);
}

.form-grid {
    display: grid;
    gap: 1rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .app-content {
        padding: 1rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions sl-button {
        width: 100%;
    }
}

/* Loading State */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--sl-color-neutral-600);
}

.empty-state sl-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--sl-color-neutral-900);
}

body.sl-theme-dark .empty-state h3 {
    color: var(--sl-color-neutral-50);
}

/* Table Styles */
.data-table {
    width: 100%;
    margin-top: 1rem;
}

/* Wizard Styles */
.wizard-steps {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    overflow-x: auto;
}

.wizard-step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--sl-color-neutral-100);
    border-radius: var(--sl-border-radius-medium);
    white-space: nowrap;
}

body.sl-theme-dark .wizard-step {
    background: var(--sl-color-neutral-800);
}

.wizard-step.active {
    background: var(--sl-color-primary-600);
    color: white;
}

.wizard-step.completed {
    background: var(--sl-color-success-600);
    color: white;
}

/* Settings Page Styles */
#settingsTabs::part(nav) {
    overflow-x: auto;
}

#settingsTabs sl-tab::part(base) {
    white-space: nowrap;
}

.form-label {
    font-weight: 600;
    color: var(--sl-color-neutral-900);
}

body.sl-theme-dark .form-label {
    color: var(--sl-color-neutral-50);
}

.text-warning {
    color: var(--sl-color-warning-600);
}

/* Unsaved changes alert */
#unsavedChangesAlert {
    margin-bottom: 2rem;
}

/* Settings tabs responsive */
@media (max-width: 768px) {
    #settingsTabs::part(nav) {
        flex-wrap: nowrap;
    }

    #settingsTabs sl-tab {
        font-size: 0.875rem;
    }

    #settingsTabs sl-tab sl-icon {
        display: none;
    }
}