:root {
    --m3-border-radius: 16px;
    --m3-transition: all 0.3s cubic-bezier(0.2, 0, 0, 1);
}

.light-theme {
    --bg-color: #fbfdf8;
    --surface-color: #f0f3eb;
    --primary-color: #386a20;
    --on-primary: #ffffff;
    --text-main: #191c13;
    --text-variant: #43483e;
}

.dark-theme {
    --bg-color: #11140c;
    --surface-color: #1e2019;
    --primary-color: #9cd67d;
    --on-primary: #0c3900;
    --text-main: #e1e3d9;
    --text-variant: #c3c8bc;
}

body {
    margin: 0;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: system-ui, -apple-system, sans-serif;
    transition: var(--m3-transition);
    min-height: 100vh;
}

.m3-top-app-bar {
    background-color: var(--surface-color);
    padding: 16px;
    position: sticky;
    top: 0;
    z-index: 10;
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.m3-title { margin: 0; font-size: 22px; font-weight: 500; }

.m3-icon-button {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 22px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: var(--m3-transition);
}
.m3-icon-button:active { background-color: rgba(150, 150, 150, 0.2); }

.m3-card {
    background-color: var(--surface-color);
    border-radius: var(--m3-border-radius);
    padding: 16px;
    margin: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.m3-label { font-size: 14px; font-weight: 500; color: var(--text-variant); }
.m3-date-input {
    background: var(--bg-color);
    color: var(--text-main);
    border: 1px solid var(--text-variant);
    padding: 12px;
    border-radius: 8px;
    font-size: 16px;
    outline: none;
}

.m3-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    padding: 0 16px 16px 16px;
}
.m3-grid img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
}
.status-text { text-align: center; grid-column: 1 / -1; color: var(--text-variant); margin-top: 20px; }

.m3-dialog-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 24px;
    box-sizing: border-box;
}
.m3-dialog {
    background: var(--surface-color);
    border-radius: var(--m3-border-radius);
    padding: 16px;
    width: 100%;
    max-width: 420px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.close-btn { position: absolute; top: 8px; right: 8px; }
.dialog-image { max-width: 100%; max-height: 65vh; border-radius: 8px; margin-top: 24px; object-fit: contain; }
.dialog-actions { margin-top: 16px; width: 100%; display: flex; justify-content: center; }
.m3-button {
    background-color: var(--primary-color);
    color: var(--on-primary);
    padding: 10px 24px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 500;
}