.pws-ai-widget {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 9999;
    font-family: "Trebuchet MS", Verdana, sans-serif;
}

.pws-ai-widget * {
    box-sizing: border-box;
}

.pws-ai-widget button,
.pws-ai-fallback-button {
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, #082d5d, #1262b3);
    color: #fff;
    cursor: pointer;
    font-weight: 800;
    padding: 12px 16px;
    text-decoration: none;
}

.pws-ai-toggle {
    min-height: 50px;
    border: 1px solid rgba(255, 255, 255, 0.35) !important;
    box-shadow: 0 18px 42px rgba(8, 45, 93, 0.34);
    letter-spacing: -0.01em;
}

.pws-ai-toggle:hover,
.pws-ai-toggle:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 22px 54px rgba(8, 45, 93, 0.4);
}

.pws-ai-panel {
    display: none;
    width: min(410px, calc(100vw - 28px));
    margin-bottom: 12px;
    border: 1px solid rgba(8, 45, 93, 0.12);
    border-radius: 22px;
    background: #fff;
    box-shadow: 0 24px 80px rgba(11, 31, 58, 0.25);
    overflow: hidden;
}

.pws-ai-panel.is-open {
    display: block;
}

.pws-ai-panel header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    background:
        radial-gradient(circle at top right, rgba(244, 180, 63, 0.24), transparent 38%),
        linear-gradient(135deg, #082d5d, #154b8b);
    color: #fff;
    padding: 15px 16px;
    font-weight: 900;
}

.pws-ai-title {
    line-height: 1.15;
}

.pws-ai-close {
    min-width: 34px;
    min-height: 34px;
    padding: 4px 9px !important;
    background: rgba(255, 255, 255, 0.16) !important;
    font-size: 20px;
    line-height: 1;
}

.pws-ai-messages {
    min-height: 230px;
    max-height: min(390px, calc(100vh - 230px));
    overflow: auto;
    padding: 14px;
    background:
        radial-gradient(circle at top left, rgba(18, 98, 179, 0.08), transparent 42%),
        #f6f9fc;
}

.pws-ai-message {
    margin: 0 0 10px;
    border: 1px solid rgba(8, 45, 93, 0.08);
    border-radius: 15px;
    background: #fff;
    padding: 11px 12px;
    color: #16263a;
    font-size: 14px;
    line-height: 1.45;
    box-shadow: 0 8px 22px rgba(16, 36, 63, 0.05);
}

.pws-ai-message strong {
    color: #082d5d;
}

.pws-ai-message--user {
    margin-left: 22px;
    background: #e9f2ff;
}

.pws-ai-message--assistant,
.pws-ai-message--error {
    margin-right: 16px;
}

.pws-ai-message--error {
    background: #fff0f1;
    color: #8b1a22;
}

.pws-ai-fallback {
    margin: 0 16px 10px 0;
    border: 1px solid rgba(18, 63, 120, 0.13);
    border-radius: 16px;
    background: linear-gradient(135deg, #ffffff, #eef5ff);
    padding: 12px;
    color: #16263a;
    font-size: 14px;
    line-height: 1.4;
    box-shadow: 0 10px 26px rgba(16, 36, 63, 0.07);
}

.pws-ai-fallback p {
    margin: 0 0 10px;
}

.pws-ai-fallback-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0d9f61, #17bd76);
    padding: 10px 13px;
}

.pws-ai-fallback-note {
    display: block;
    color: #5d6d82;
    font-weight: 800;
}

.pws-ai-form {
    display: flex;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid #e6edf5;
    background: #fff;
}

.pws-ai-form input {
    min-width: 0;
    flex: 1;
    border: 1px solid #cfd8e3;
    border-radius: 999px;
    padding: 11px 13px;
    color: #16263a;
    outline: none;
}

.pws-ai-form input:focus {
    border-color: #1262b3;
    box-shadow: 0 0 0 3px rgba(18, 98, 179, 0.12);
}

.pws-ai-form button {
    padding-inline: 18px;
}

@media (max-width: 520px) {
    .pws-ai-widget {
        right: 10px;
        bottom: 10px;
    }

    .pws-ai-panel {
        width: calc(100vw - 20px);
        border-radius: 20px;
    }

    .pws-ai-messages {
        max-height: calc(100vh - 230px);
    }

    .pws-ai-form {
        align-items: stretch;
        flex-direction: column;
    }
}