/* ============================================================
   Material Design 3 Alert Dialog Styles for System Messages
   ============================================================ */

/* Viewport Centering */
.md3-msg-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    padding: 24px;
    background-color: var(--md3-color-surface-container-lowest, #ffffff);
    font-family: var(--md3-font-family, system-ui, -apple-system, sans-serif);
    box-sizing: border-box;
}

/* Dialog Container */
.md3-msg-dialog {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 380px;
    background-color: var(--md3-color-surface-container-high, #e7e9ed);
    border-radius: var(--md3-shape-xl, 28px);
    padding: 32px 24px 24px 24px;
    box-shadow: var(--md3-elevation-3, 0 4px 8px 3px rgba(0,0,0,0.08));
    box-sizing: border-box;
    text-align: center;
    animation: md3-dialog-fade-in 0.3s cubic-bezier(0.2, 0, 0, 1) both;
}

@keyframes md3-dialog-fade-in {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Icon Wrapper */
.md3-msg-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    margin-bottom: 16px;
}

.md3-msg-icon-wrapper.is-error {
    background-color: var(--md3-color-error-container, #ffdad6);
    color: var(--md3-color-error, #ba1a1a);
}

.md3-msg-icon-wrapper.is-info {
    background-color: var(--md3-color-primary-container, #d0e4ff);
    color: var(--md3-color-primary, #1976d2);
}

.md3-msg-icon {
    font-size: 28px !important;
}

/* Title */
.md3-msg-title {
    font-size: var(--md3-typescale-headline-small-size, 24px);
    font-weight: 500;
    line-height: var(--md3-typescale-headline-small-line-height, 32px);
    color: var(--md3-color-on-surface, #1a1c1e);
    margin: 0 0 16px 0;
}

/* Content Area */
.md3-msg-content {
    font-size: var(--md3-typescale-body-medium-size, 14px);
    line-height: var(--md3-typescale-body-medium-line-height, 20px);
    color: var(--md3-color-on-surface-variant, #43474e);
    margin-bottom: 24px;
    word-break: break-all;
}

/* Actions Area */
.md3-msg-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.md3-msg-actions .md3-btn {
    width: 100%;
    max-width: 200px;
    height: 40px;
    border-radius: 20px;
    text-transform: none;
}

.md3-msg-redirect-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.md3-msg-redirect-hint {
    font-size: var(--md3-typescale-label-medium-size, 12px);
    color: var(--md3-color-on-surface-variant, #43474e);
    margin: 12px 0 0 0;
}

/* Loading Mode */
.md3-msg-body-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    background-color: var(--md3-color-surface-container-lowest, #ffffff);
    font-family: var(--md3-font-family, system-ui, -apple-system, sans-serif);
}

.md3-msg-loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.md3-msg-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--md3-color-primary-container, #d0e4ff);
    border-top: 3px solid var(--md3-color-primary, #1976d2);
    border-radius: 50%;
    animation: md3-spinner-rotate 0.8s linear infinite;
    margin-bottom: 16px;
}

@keyframes md3-spinner-rotate {
    to { transform: rotate(360deg); }
}

.md3-msg-loading-text {
    font-size: var(--md3-typescale-body-medium-size, 14px);
    color: var(--md3-color-on-surface-variant, #43474e);
}