.app-modal {
    position: fixed;
    inset: 0;
    z-index: 6000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.app-modal.is-open {
    display: flex;
}

body.app-modal-open {
    overflow: hidden;
}

.app-modal__backdrop {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at top right, rgba(15, 108, 189, 0.18), transparent 42%),
        rgba(8, 20, 36, 0.48);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.app-modal__dialog {
    position: relative;
    width: min(100%, 450px);
    border-radius: 20px;
    border: 1px solid rgba(217, 226, 236, 0.82);
    background: linear-gradient(170deg, #ffffff 0%, #f8fbff 100%);
    box-shadow: 0 28px 52px rgba(15, 23, 42, 0.24);
    padding: 20px 20px 18px;
    transform: translateY(16px) scale(0.98);
    opacity: 0;
    transition: transform 0.24s ease, opacity 0.2s ease;
}

.app-modal.is-open .app-modal__dialog {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.app-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.app-modal__tone {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    border: 1px solid var(--app-border, #d9e2ec);
    background: var(--app-surface-soft, #f7f9fc);
    color: var(--app-muted, #526074);
    padding: 6px 11px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.app-modal__close {
    width: 34px;
    height: 34px;
    border: 1px solid var(--app-border, #d9e2ec);
    border-radius: 10px;
    background: #ffffff;
    color: #526074;
    cursor: pointer;
    transition: all 0.18s ease;
}

.app-modal__close:hover {
    border-color: #b8c8d9;
    color: #0f172a;
    box-shadow: 0 8px 16px rgba(15, 23, 42, 0.1);
}

.app-modal__status {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}

.app-modal__icon-wrap {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #e8f2ff;
    color: #0f6cbd;
    box-shadow: inset 0 0 0 1px rgba(160, 197, 236, 0.8);
}

.app-modal__icon {
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1;
}

.app-modal__title {
    margin: 0;
    font-size: 1.22rem;
    line-height: 1.25;
    color: var(--app-text, #0f172a);
    letter-spacing: -0.01em;
}

.app-modal__message {
    margin: 0;
    color: var(--app-muted, #526074);
    line-height: 1.58;
    font-size: 0.94rem;
    white-space: pre-line;
}

.app-modal__actions {
    margin-top: 18px;
    display: flex;
    justify-content: flex-end;
}

.app-modal__button {
    min-width: 108px;
    border: 1px solid transparent;
    border-radius: 11px;
    padding: 9px 16px;
    background: linear-gradient(160deg, #0f6cbd, #0b5fa8);
    color: #ffffff;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.app-modal__button:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 16px rgba(15, 108, 189, 0.26);
    filter: brightness(1.02);
}

.app-modal__button:focus-visible,
.app-modal__close:focus-visible {
    outline: 2px solid rgba(15, 108, 189, 0.35);
    outline-offset: 2px;
}

.app-modal--success .app-modal__tone {
    background: #ebfbf1;
    border-color: #bfe7cf;
    color: #1c7a46;
}

.app-modal--success .app-modal__icon-wrap {
    background: #e8f9ef;
    color: #1c7a46;
    box-shadow: inset 0 0 0 1px #bee6cd;
}

.app-modal--success .app-modal__button {
    background: linear-gradient(160deg, #1f9d56, #178847);
}

.app-modal--error .app-modal__tone {
    background: #fff0f0;
    border-color: #f3c6c6;
    color: #b4232c;
}

.app-modal--error .app-modal__icon-wrap {
    background: #fff0f1;
    color: #b4232c;
    box-shadow: inset 0 0 0 1px #f0c0c4;
}

.app-modal--error .app-modal__button {
    background: linear-gradient(160deg, #d64045, #b92b30);
}

.app-modal--warning .app-modal__tone {
    background: #fff8e8;
    border-color: #f2d6a8;
    color: #9c6300;
}

.app-modal--warning .app-modal__icon-wrap {
    background: #fff7e2;
    color: #9c6300;
    box-shadow: inset 0 0 0 1px #efd4a7;
}

.app-modal--warning .app-modal__button {
    background: linear-gradient(160deg, #d58a0f, #b97504);
}

.app-modal--info .app-modal__tone {
    background: #edf5ff;
    border-color: #bfd7f2;
    color: #0f6cbd;
}

@media (max-width: 540px) {
    .app-modal {
        align-items: flex-end;
        padding: 10px;
    }

    .app-modal__dialog {
        width: 100%;
        border-radius: 18px 18px 14px 14px;
        padding: 18px 16px 15px;
    }

    .app-modal__status {
        align-items: flex-start;
    }

    .app-modal__title {
        font-size: 1.12rem;
    }

    .app-modal__actions {
        justify-content: stretch;
    }

    .app-modal__button {
        width: 100%;
    }
}