/**
 * Phitagoras Chatbot UI — WordPress Safe / Fixed
 * Ready to copy-paste.
 * Fokus:
 * - Header navy tetap tampil
 * - Button tidak ditimpa style global WordPress/Elementor
 * - Input tidak ditimpa theme
 * - Area chat tetap compact dan responsive
 */

:root {
    --phitagoras-primary: #2563eb;
    --phitagoras-primary-mid: #1d4ed8;
    --phitagoras-primary-dark: #0f2a5f;
    --phitagoras-primary-deep: #0f172a;
    --phitagoras-primary-light: #60a5fa;
    --phitagoras-primary-soft: #eff6ff;

    --phitagoras-surface: #ffffff;
    --phitagoras-surface-muted: #f3f7fc;

    --phitagoras-border: rgba(148, 163, 184, 0.25);
    --phitagoras-text: #172033;
    --phitagoras-text-muted: #64748b;
    --phitagoras-danger: #b42318;

    --phitagoras-shadow:
        0 18px 52px rgba(15, 23, 42, 0.18);
}

/* =========================================================
   GLOBAL SAFETY / WORDPRESS ISOLATION
   ========================================================= */

#phitagoras-bubble,
#phitagoras-chat-window,
#phitagoras-chat-window *,
#phitagoras-chat-window *::before,
#phitagoras-chat-window *::after {
    box-sizing: border-box;
}

#phitagoras-chat-window {
    color-scheme: light;
}

#phitagoras-chat-window button,
#phitagoras-chat-window input {
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Helvetica, Arial, sans-serif;
}

#phitagoras-chat-window button {
    appearance: none;
    -webkit-appearance: none;
    text-transform: none;
    letter-spacing: normal;
}

#phitagoras-chat-window input {
    appearance: none;
    -webkit-appearance: none;
}

.phitagoras-sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* =========================================================
   FLOATING BUBBLE
   ========================================================= */

#phitagoras-bubble {
    position: fixed;
    right: max(18px, env(safe-area-inset-right));
    bottom: max(18px, env(safe-area-inset-bottom));
    z-index: 99980;

    width: 50px;
    height: 50px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0 !important;
    margin: 0 !important;

    border: 1px solid rgba(255, 255, 255, 0.22) !important;
    border-radius: 999px !important;

    background:
        linear-gradient(
            145deg,
            var(--phitagoras-primary-dark) 0%,
            var(--phitagoras-primary) 62%,
            var(--phitagoras-primary-light) 115%
        ) !important;

    color: #ffffff !important;

    box-shadow:
        0 10px 26px rgba(30, 64, 175, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.22) !important;

    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;

    transition:
        transform 170ms ease,
        box-shadow 170ms ease,
        filter 170ms ease;
}

#phitagoras-bubble::before {
    content: "";
    position: absolute;
    inset: -4px;
    z-index: -1;

    border-radius: inherit;
    background: rgba(59, 130, 246, 0.12);

    opacity: 0;
    transform: scale(0.9);

    transition:
        opacity 170ms ease,
        transform 170ms ease;
}

#phitagoras-bubble svg {
    width: 22px;
    height: 22px;
    fill: currentColor !important;
}

#phitagoras-bubble:hover {
    transform: translateY(-2px) scale(1.035);
    filter: saturate(1.06);

    box-shadow:
        0 14px 32px rgba(30, 64, 175, 0.34),
        inset 0 1px 0 rgba(255, 255, 255, 0.26) !important;
}

#phitagoras-bubble:hover::before,
#phitagoras-bubble:focus-visible::before {
    opacity: 1;
    transform: scale(1);
}

#phitagoras-bubble:active {
    transform: translateY(0) scale(0.96);
}

#phitagoras-bubble:focus-visible,
#phitagoras-chat-window button:focus-visible,
#phitagoras-chat-window input:focus-visible,
#phitagoras-chat-window .phitagoras-messages:focus-visible {
    outline: 3px solid rgba(59, 130, 246, 0.23) !important;
    outline-offset: 3px;
}

#phitagoras-bubble.bottom-left {
    right: auto;
    left: max(18px, env(safe-area-inset-left));
}

/* =========================================================
   MAIN CHAT WINDOW
   ========================================================= */

#phitagoras-chat-window {
    position: fixed;
    right: max(18px, env(safe-area-inset-right));
    bottom: calc(78px + env(safe-area-inset-bottom));
    z-index: 99981;

    width: min(344px, calc(100vw - 28px));
    height: min(520px, calc(100vh - 108px));
    height: min(520px, calc(100dvh - 108px));

    display: flex;
    flex-direction: column;

    overflow: hidden;

    border: 1px solid rgba(148, 163, 184, 0.24) !important;
    border-radius: 18px !important;

    background: var(--phitagoras-surface) !important;

    box-shadow: var(--phitagoras-shadow) !important;

    color: var(--phitagoras-text) !important;

    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Helvetica, Arial, sans-serif;
    font-size: 13px;
    line-height: normal;

    opacity: 0;
    visibility: hidden;

    transform: translateY(12px) scale(0.975);
    transform-origin: bottom right;

    backdrop-filter: blur(18px) saturate(1.05);
    -webkit-backdrop-filter: blur(18px) saturate(1.05);

    transition:
        opacity 180ms ease,
        visibility 180ms ease,
        transform 180ms ease;
}

#phitagoras-chat-window.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

#phitagoras-chat-window.bottom-left {
    right: auto;
    left: max(18px, env(safe-area-inset-left));
    transform-origin: bottom left;
}

/* =========================================================
   HEADER
   Pastikan HTML menggunakan:
   <header class="phitagoras-header">
   ========================================================= */

#phitagoras-chat-window .phitagoras-header {
    position: relative;
    isolation: isolate;

    min-height: 64px;
    flex: 0 0 auto;

    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;

    gap: 10px;

    margin: 0 !important;
    padding: 10px 11px 10px 12px !important;

    overflow: hidden;

    border: 0 !important;
    border-radius: 0 !important;

    background:
        radial-gradient(
            circle at 85% -30%,
            rgba(147, 197, 253, 0.42),
            transparent 42%
        ),
        linear-gradient(
            135deg,
            #0f172a 0%,
            #0f2a5f 48%,
            #2563eb 118%
        ) !important;

    color: #ffffff !important;

    box-shadow: none !important;
}

#phitagoras-chat-window .phitagoras-header::after {
    content: "";
    position: absolute;
    inset: auto -35px -56px auto;
    z-index: -1;

    width: 120px;
    height: 120px;

    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 999px;
}

#phitagoras-chat-window .phitagoras-header-identity,
#phitagoras-chat-window .phitagoras-header-actions {
    display: flex;
    align-items: center;
}

#phitagoras-chat-window .phitagoras-header-identity {
    min-width: 0;
    gap: 9px;
}

#phitagoras-chat-window .phitagoras-avatar {
    width: 35px;
    height: 35px;
    flex: 0 0 35px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 11px;

    background: rgba(255, 255, 255, 0.11);

    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

#phitagoras-chat-window .phitagoras-avatar svg {
    width: 19px;
    height: 19px;
    fill: currentColor !important;
}

#phitagoras-chat-window .phitagoras-header h2 {
    margin: 0 !important;
    padding: 0 !important;

    color: #ffffff !important;

    font-size: 14px !important;
    line-height: 1.22 !important;
    font-weight: 700 !important;

    letter-spacing: -0.015em;

    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#phitagoras-chat-window .phitagoras-header p {
    display: flex;
    align-items: center;

    margin: 3px 0 0 !important;
    padding: 0 !important;

    color: rgba(255, 255, 255, 0.76) !important;

    font-size: 10.5px !important;
    line-height: 1.2 !important;
}

#phitagoras-chat-window .phitagoras-status-dot {
    display: inline-block;

    width: 6px;
    height: 6px;

    margin-right: 5px;

    border-radius: 999px;

    background: #86efac !important;

    box-shadow:
        0 0 0 3px rgba(134, 239, 172, 0.13);
}

#phitagoras-chat-window .phitagoras-header-actions {
    flex: 0 0 auto;
    gap: 2px;
}

/* Reset agresif untuk mencegah style Elementor/theme mengubah button */

#phitagoras-chat-window .phitagoras-header-actions button,
#phitagoras-chat-window button.phitagoras-reset-btn,
#phitagoras-chat-window button.phitagoras-close-btn {
    appearance: none !important;
    -webkit-appearance: none !important;

    width: 30px !important;
    min-width: 30px !important;
    max-width: 30px !important;

    height: 30px !important;
    min-height: 30px !important;
    max-height: 30px !important;

    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;

    padding: 0 !important;
    margin: 0 !important;

    border: 0 !important;
    outline: 0;

    border-radius: 9px !important;

    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;

    color: #ffffff !important;

    box-shadow: none !important;
    text-shadow: none !important;

    font-size: 0 !important;
    line-height: 1 !important;

    cursor: pointer;

    -webkit-tap-highlight-color: transparent;

    transition:
        background 150ms ease,
        transform 150ms ease !important;
}

#phitagoras-chat-window .phitagoras-header-actions button:hover,
#phitagoras-chat-window button.phitagoras-reset-btn:hover,
#phitagoras-chat-window button.phitagoras-close-btn:hover {
    background: rgba(255, 255, 255, 0.14) !important;
    background-color: rgba(255, 255, 255, 0.14) !important;
}

#phitagoras-chat-window .phitagoras-header-actions button:active {
    transform: scale(0.92);
}

#phitagoras-chat-window .phitagoras-header-actions button:disabled {
    opacity: 0.42;
    cursor: not-allowed;
}

#phitagoras-chat-window .phitagoras-header-actions svg {
    display: block !important;

    width: 17px !important;
    height: 17px !important;

    margin: 0 !important;
    padding: 0 !important;

    fill: currentColor !important;
}

/* =========================================================
   MESSAGES
   ========================================================= */

#phitagoras-chat-window .phitagoras-messages {
    flex: 1 1 auto;
    min-height: 0;

    overflow-y: auto;
    overflow-x: hidden;

    margin: 0;
    padding: 14px 12px 10px;

    background:
        radial-gradient(
            circle at 100% 0%,
            rgba(96, 165, 250, 0.10),
            transparent 160px
        ),
        radial-gradient(
            circle at 0% 100%,
            rgba(30, 58, 138, 0.045),
            transparent 170px
        ),
        linear-gradient(
            180deg,
            #f7faff 0%,
            var(--phitagoras-surface-muted) 100%
        ) !important;

    overscroll-behavior: contain;
    scroll-behavior: smooth;
}

#phitagoras-chat-window .phitagoras-message {
    display: flex;

    margin: 0 0 9px;

    animation:
        phitagoras-message-in 170ms ease both;
}

#phitagoras-chat-window .phitagoras-message.user {
    justify-content: flex-end;
}

#phitagoras-chat-window .phitagoras-message.bot {
    justify-content: flex-start;
}

#phitagoras-chat-window .phitagoras-message-bubble {
    max-width: 82%;

    padding: 9px 11px;

    border-radius: 14px;

    font-size: 12.75px;
    line-height: 1.5;

    overflow-wrap: anywhere;
    white-space: pre-wrap;
}

#phitagoras-chat-window
.phitagoras-message.user
.phitagoras-message-bubble {
    border-bottom-right-radius: 5px;

    background:
        linear-gradient(
            135deg,
            var(--phitagoras-primary-mid),
            var(--phitagoras-primary)
        ) !important;

    color: #ffffff !important;

    box-shadow:
        0 5px 14px rgba(37, 99, 235, 0.15);
}

#phitagoras-chat-window
.phitagoras-message.bot
.phitagoras-message-bubble {
    border: 1px solid rgba(148, 163, 184, 0.22);

    border-bottom-left-radius: 5px;

    background: rgba(255, 255, 255, 0.96) !important;

    color: var(--phitagoras-text) !important;

    box-shadow:
        0 4px 12px rgba(15, 23, 42, 0.045);
}

#phitagoras-chat-window .phitagoras-message-bubble.is-error {
    border-color: rgba(180, 35, 24, 0.22) !important;
    background: #fff4f2 !important;
    color: var(--phitagoras-danger) !important;
}

/* =========================================================
   TYPING INDICATOR
   ========================================================= */

#phitagoras-chat-window .phitagoras-typing {
    display: inline-flex;
    align-items: center;

    gap: 4px;

    padding: 10px 12px;

    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 14px 14px 14px 5px;

    background: rgba(255, 255, 255, 0.96);

    box-shadow:
        0 4px 12px rgba(15, 23, 42, 0.04);
}

#phitagoras-chat-window .phitagoras-typing span {
    width: 6px;
    height: 6px;

    border-radius: 999px;

    background: #7c8aa0;

    animation:
        phitagoras-typing 1.15s infinite ease-in-out;
}

#phitagoras-chat-window .phitagoras-typing span:nth-child(2) {
    animation-delay: 120ms;
}

#phitagoras-chat-window .phitagoras-typing span:nth-child(3) {
    animation-delay: 240ms;
}

/* =========================================================
   CTA
   ========================================================= */

#phitagoras-chat-window .phitagoras-cta-row {
    margin-top: -3px;
}

#phitagoras-chat-window .phitagoras-cta-button {
    appearance: none !important;
    -webkit-appearance: none !important;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 34px;

    padding: 7px 11px !important;

    border: 1px solid rgba(37, 99, 235, 0.18) !important;
    border-radius: 10px !important;

    background:
        linear-gradient(
            180deg,
            #f5f9ff,
            #eaf2ff
        ) !important;

    color: var(--phitagoras-primary-dark) !important;

    font: inherit !important;
    font-size: 12px !important;
    font-weight: 700 !important;

    text-align: left;

    cursor: pointer;

    box-shadow:
        0 3px 10px rgba(37, 99, 235, 0.06) !important;

    transition:
        background 150ms ease,
        transform 150ms ease,
        border-color 150ms ease,
        box-shadow 150ms ease;
}

#phitagoras-chat-window .phitagoras-cta-button:hover {
    border-color: rgba(37, 99, 235, 0.35) !important;

    background:
        linear-gradient(
            180deg,
            #eff6ff,
            #dbeafe
        ) !important;

    box-shadow:
        0 6px 14px rgba(37, 99, 235, 0.10) !important;

    transform: translateY(-1px);
}

/* =========================================================
   INPUT AREA
   ========================================================= */

#phitagoras-chat-window .phitagoras-input-area {
    flex: 0 0 auto;

    display: flex !important;
    align-items: center !important;

    gap: 7px;

    margin: 0 !important;
    padding: 9px 10px 6px !important;

    border: 0 !important;
    border-top: 1px solid var(--phitagoras-border) !important;

    background: #ffffff !important;

    box-shadow: none !important;
}

#phitagoras-chat-window .phitagoras-input-box {
    flex: 1;
    min-width: 0;

    border: 1px solid rgba(148, 163, 184, 0.28) !important;
    border-radius: 12px !important;

    background: #f9fbff !important;

    transition:
        border-color 150ms ease,
        box-shadow 150ms ease,
        background 150ms ease;
}

#phitagoras-chat-window .phitagoras-input-box:focus-within {
    border-color: rgba(37, 99, 235, 0.52) !important;

    background: #ffffff !important;

    box-shadow:
        0 0 0 3px rgba(37, 99, 235, 0.08) !important;
}

#phitagoras-chat-window .phitagoras-input-box input,
#phitagoras-chat-window #phitagoras-chat-input {
    appearance: none !important;
    -webkit-appearance: none !important;

    width: 100% !important;

    min-height: 38px !important;

    margin: 0 !important;
    padding: 8px 10px !important;

    border: 0 !important;
    border-radius: 12px !important;

    outline: 0 !important;

    background: transparent !important;
    background-color: transparent !important;

    color: var(--phitagoras-text) !important;

    box-shadow: none !important;

    font: inherit !important;
    font-size: 12.5px !important;
    font-weight: 400 !important;
    line-height: 1.35 !important;

    text-transform: none !important;
    letter-spacing: normal !important;
}

#phitagoras-chat-window
.phitagoras-input-box
input::placeholder {
    color: #8a97aa !important;
    opacity: 1;
}

#phitagoras-chat-window
.phitagoras-input-box
input:disabled {
    cursor: wait;
    opacity: 0.68;
}

/* Send button - dibuat spesifik agar theme tidak mengganti warna */

#phitagoras-chat-window .phitagoras-send-btn {
    appearance: none !important;
    -webkit-appearance: none !important;

    width: 38px !important;
    min-width: 38px !important;
    max-width: 38px !important;

    height: 38px !important;
    min-height: 38px !important;
    max-height: 38px !important;

    flex: 0 0 38px;

    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;

    padding: 0 !important;
    margin: 0 !important;

    border: 1px solid rgba(255, 255, 255, 0.16) !important;
    border-radius: 12px !important;

    background:
        linear-gradient(
            145deg,
            var(--phitagoras-primary-dark),
            var(--phitagoras-primary)
        ) !important;

    color: #ffffff !important;

    cursor: pointer;

    box-shadow:
        0 6px 14px rgba(30, 64, 175, 0.20) !important;

    transition:
        transform 150ms ease,
        opacity 150ms ease,
        box-shadow 150ms ease,
        filter 150ms ease;
}

#phitagoras-chat-window
.phitagoras-send-btn:hover:not(:disabled) {
    filter: saturate(1.08);

    transform: translateY(-1px);

    box-shadow:
        0 8px 18px rgba(30, 64, 175, 0.25) !important;
}

#phitagoras-chat-window
.phitagoras-send-btn:active:not(:disabled) {
    transform: translateY(0) scale(0.95);
}

#phitagoras-chat-window .phitagoras-send-btn:disabled {
    cursor: not-allowed;

    opacity: 0.35;

    box-shadow: none !important;

    background:
        linear-gradient(
            145deg,
            var(--phitagoras-primary-dark),
            var(--phitagoras-primary)
        ) !important;
}

#phitagoras-chat-window .phitagoras-send-btn svg {
    display: block !important;

    width: 17px !important;
    height: 17px !important;

    margin: 0 !important;

    fill: currentColor !important;
}

/* =========================================================
   DISCLAIMER
   ========================================================= */

#phitagoras-chat-window .phitagoras-disclaimer {
    margin: 0 !important;

    padding: 0 11px 9px !important;

    background: #ffffff !important;

    color: var(--phitagoras-text-muted) !important;

    font-size: 9.25px !important;
    line-height: 1.35 !important;

    text-align: center;
}

/* =========================================================
   SCROLLBAR
   ========================================================= */

#phitagoras-chat-window
.phitagoras-messages::-webkit-scrollbar {
    width: 5px;
}

#phitagoras-chat-window
.phitagoras-messages::-webkit-scrollbar-track {
    background: transparent;
}

#phitagoras-chat-window
.phitagoras-messages::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: rgba(100, 116, 139, 0.28);
}

#phitagoras-chat-window
.phitagoras-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(100, 116, 139, 0.42);
}

/* =========================================================
   ANIMATION
   ========================================================= */

@keyframes phitagoras-message-in {
    from {
        opacity: 0;
        transform: translateY(6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes phitagoras-typing {
    0%,
    60%,
    100% {
        opacity: 0.34;
        transform: translateY(0);
    }

    30% {
        opacity: 1;
        transform: translateY(-3px);
    }
}

/* =========================================================
   TABLET / MOBILE
   ========================================================= */

@media (max-width: 600px) {
    #phitagoras-bubble {
        width: 48px;
        height: 48px;

        right: max(14px, env(safe-area-inset-right));
        bottom: max(14px, env(safe-area-inset-bottom));
    }

    #phitagoras-bubble svg {
        width: 21px;
        height: 21px;
    }

    #phitagoras-bubble.bottom-left {
        right: auto;
        left: max(14px, env(safe-area-inset-left));
    }

    #phitagoras-chat-window,
    #phitagoras-chat-window.bottom-left {
        right: 12px;
        left: 12px;

        bottom: calc(
            70px + env(safe-area-inset-bottom)
        );

        width: auto;

        height:
            min(
                520px,
                calc(
                    100vh - 94px - env(safe-area-inset-bottom)
                )
            );

        height:
            min(
                520px,
                calc(
                    100dvh - 94px - env(safe-area-inset-bottom)
                )
            );

        max-height: 74dvh;

        border-radius: 17px !important;

        transform-origin: bottom center;
    }

    #phitagoras-chat-window .phitagoras-header {
        min-height: 61px;
    }

    #phitagoras-chat-window .phitagoras-message-bubble {
        max-width: 86%;
    }
}

@media (max-width: 380px) {
    #phitagoras-chat-window,
    #phitagoras-chat-window.bottom-left {
        right: 8px;
        left: 8px;
    }

    #phitagoras-chat-window .phitagoras-header {
        padding-inline: 10px !important;
    }

    #phitagoras-chat-window .phitagoras-header h2 {
        font-size: 13.5px !important;
    }

    #phitagoras-chat-window .phitagoras-avatar {
        width: 32px;
        height: 32px;
        flex-basis: 32px;
    }

    #phitagoras-chat-window .phitagoras-avatar svg {
        width: 18px;
        height: 18px;
    }

    #phitagoras-chat-window
    .phitagoras-header-actions
    button {
        width: 28px !important;
        min-width: 28px !important;
        max-width: 28px !important;

        height: 28px !important;
        min-height: 28px !important;
        max-height: 28px !important;
    }

    #phitagoras-chat-window .phitagoras-messages {
        padding-inline: 10px;
    }
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
    #phitagoras-bubble,
    #phitagoras-bubble::before,
    #phitagoras-chat-window,
    #phitagoras-chat-window .phitagoras-message,
    #phitagoras-chat-window .phitagoras-typing span,
    #phitagoras-chat-window .phitagoras-send-btn,
    #phitagoras-chat-window .phitagoras-cta-button,
    #phitagoras-chat-window
    .phitagoras-header-actions
    button {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}

/* =========================================================
   PRINT
   ========================================================= */

@media print {
    #phitagoras-bubble,
    #phitagoras-chat-window {
        display: none !important;
    }
}