/* Material Design 3 (Material You) Design System */

:root {
    /* Color Palette - Blue / Violet Theme */
    --md-sys-color-primary: #6750A4;
    --md-sys-color-on-primary: #FFFFFF;
    --md-sys-color-primary-container: #EADDFF;
    --md-sys-color-on-primary-container: #21005D;

    --md-sys-color-secondary: #625B71;
    --md-sys-color-on-secondary: #FFFFFF;
    --md-sys-color-secondary-container: #E8DEF8;
    --md-sys-color-on-secondary-container: #1D192B;

    --md-sys-color-tertiary: #7D5260;
    --md-sys-color-on-tertiary: #FFFFFF;
    --md-sys-color-tertiary-container: #FFD8E4;
    --md-sys-color-on-tertiary-container: #31111D;

    --md-sys-color-error: #B3261E;
    --md-sys-color-on-error: #FFFFFF;
    --md-sys-color-error-container: #F9DEDC;
    --md-sys-color-on-error-container: #410E0B;

    --md-sys-color-background: #FFFBFE;
    --md-sys-color-on-background: #1C1B1F;
    --md-sys-color-surface: #FFFBFE;
    --md-sys-color-on-surface: #1C1B1F;
    --md-sys-color-surface-variant: #E7E0EC;
    --md-sys-color-on-surface-variant: #49454F;
    --md-sys-color-outline: #79747E;
    --md-sys-color-outline-variant: #CAC4D0;

    --md-sys-color-inverse-on-surface: #F4EFF4;
    --md-sys-color-inverse-surface: #313033;
    --md-sys-color-inverse-primary: #D0BCFF;

    /* Elevation (Surface Tints) */
    --md-sys-elevation-1: 0px 1px 3px 1px rgba(0, 0, 0, 0.15), 0px 1px 2px 0px rgba(0, 0, 0, 0.3);
    --md-sys-elevation-2: 0px 2px 6px 2px rgba(0, 0, 0, 0.15), 0px 1px 2px 0px rgba(0, 0, 0, 0.3);
    --md-sys-elevation-3: 0px 4px 8px 3px rgba(0, 0, 0, 0.15), 0px 1px 3px 0px rgba(0, 0, 0, 0.3);

    /* Shape */
    --md-sys-shape-corner-small: 8px;
    --md-sys-shape-corner-medium: 12px;
    --md-sys-shape-corner-large: 16px;
    --md-sys-shape-corner-extra-large: 28px;
    --md-sys-shape-corner-full: 9999px;

    /* Typography */
    --md-sys-typescale-display-large: 400 57px/64px 'Roboto', sans-serif;
    --md-sys-typescale-headline-medium: 400 28px/36px 'Roboto', sans-serif;
    --md-sys-typescale-headline-small: 400 24px/32px 'Roboto', sans-serif;
    --md-sys-typescale-body-large: 400 16px/24px 'Roboto', sans-serif;
    --md-sys-typescale-body-medium: 400 14px/20px 'Roboto', sans-serif;
    --md-sys-typescale-label-large: 500 14px/20px 'Roboto', sans-serif;
}

/* Dark Mode Overrides (Optional - can be triggered by class or media query) */
@media (prefers-color-scheme: dark) {
    :root {
        --md-sys-color-primary: #D0BCFF;
        --md-sys-color-on-primary: #381E72;
        --md-sys-color-primary-container: #4F378B;
        --md-sys-color-on-primary-container: #EADDFF;

        --md-sys-color-secondary: #CCC2DC;
        --md-sys-color-on-secondary: #332D41;
        --md-sys-color-secondary-container: #4A4458;
        --md-sys-color-on-secondary-container: #E8DEF8;

        --md-sys-color-background: #1C1B1F;
        --md-sys-color-on-background: #E6E1E5;
        --md-sys-color-surface: #1C1B1F;
        --md-sys-color-on-surface: #E6E1E5;
        --md-sys-color-surface-variant: #49454F;
        --md-sys-color-on-surface-variant: #CAC4D0;
        --md-sys-color-outline: #938F99;

        --md-sys-elevation-1: 0px 1px 3px 1px rgba(0, 0, 0, 0.5), 0px 1px 2px 0px rgba(0, 0, 0, 0.6);
        --md-sys-elevation-2: 0px 2px 6px 2px rgba(0, 0, 0, 0.5), 0px 1px 2px 0px rgba(0, 0, 0, 0.6);
    }
}

/* Base Changes */
body {
    background-color: var(--md-sys-color-background);
    color: var(--md-sys-color-on-background);
    font-family: 'Roboto', sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* Component: Card */
.m3-card {
    background-color: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
    border-radius: var(--md-sys-shape-corner-medium);
    padding: 16px;
    box-shadow: var(--md-sys-elevation-1);
    transition: box-shadow 0.2s ease, background-color 0.2s ease;
    border: none;
    /* Remove Tailwind borders */
}

/* For interactive cards */
.m3-card-interactive:hover {
    box-shadow: var(--md-sys-elevation-2);
    background-color: linear-gradient(0deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.05)), var(--md-sys-color-surface);
}

.m3-card-outlined {
    background-color: var(--md-sys-color-surface);
    border: 1px solid var(--md-sys-color-outline);
    border-radius: var(--md-sys-shape-corner-medium);
    box-shadow: none;
}

/* Component: Button */
.m3-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 24px;
    border-radius: var(--md-sys-shape-corner-full);
    font: var(--md-sys-typescale-label-large);
    gap: 8px;
    cursor: pointer;
    transition: background-color 0.2s, box-shadow 0.2s;
    text-decoration: none;
    border: none;
}

.m3-button-filled {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    box-shadow: var(--md-sys-elevation-1);
}

.m3-button-filled:hover {
    box-shadow: var(--md-sys-elevation-2);
    /* Add an overlay for hover state logic usually, simpler here with opacity or brightness */
    filter: brightness(1.08);
}

.m3-button-tonal {
    background-color: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
}

.m3-button-tonal:hover {
    box-shadow: var(--md-sys-elevation-1);
    filter: brightness(0.96);
}

.m3-button-text {
    background-color: transparent;
    color: var(--md-sys-color-primary);
    padding: 0 12px;
    /* Less padding for text buttons */
}

.m3-button-text:hover {
    background-color: rgba(103, 80, 164, 0.08);
    /* Primary with opacity */
}

/* Component: Form Controls */
.m3-input {
    background-color: var(--md-sys-color-surface-variant) !important;
    /* Force override tailwind if needed */
    color: var(--md-sys-color-on-surface-variant) !important;
    border-radius: 4px 4px 0 0;
    border-bottom: 2px solid var(--md-sys-color-outline);
    border-top: none;
    border-left: none;
    border-right: none;
    transition: border-color 0.2s;
    height: 56px;
    padding: 0 16px;
    font: var(--md-sys-typescale-body-large);
}

.m3-input:focus {
    border-bottom-color: var(--md-sys-color-primary);
    outline: none;
    background-color: rgba(231, 224, 236, 0.8) !important;
}

.m3-input-field {
    /* For standard bordered inputs if prefered over filled */
    border: 1px solid var(--md-sys-color-outline);
    border-radius: 4px;
    padding: 8px 12px;
}

/* Navigation */
.m3-top-app-bar {
    background-color: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
    box-shadow: none;
    /* M3 usually flat or scrolled-under state */
}

.m3-title-large {
    font: var(--md-sys-typescale-headline-small);
    color: var(--md-sys-color-on-surface);
}

/* Feed Specifics */
.m3-date-header {
    background-color: var(--md-sys-color-surface-variant);
    color: var(--md-sys-color-on-surface-variant);
    border-radius: var(--md-sys-shape-corner-medium);
    padding: 8px 16px;
    margin-bottom: 16px;
    font: var(--md-sys-typescale-label-large);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    display: inline-block;
}

/* HTMX Indicators */
.htmx-indicator {
    display: none !important;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
    display: flex !important;
}