:root {
    --npdi-bg: #071019;
    --npdi-card: #0f1720;
    --npdi-gold: #d4af37;
    --npdi-green: #014421;
    --npdi-emerald: #10b981;
    --npdi-danger: #b91c1c;
    --npdi-text: #ffffff;
    --npdi-muted: #cbd5e1;
    --npdi-border: rgba(212, 175, 55, 0.35);
}

.npdi-ai-app,
.npdi-ai-app *,
.npdi-ai-membership-modal,
.npdi-ai-membership-modal * {
    box-sizing: border-box;
    font-family: BNazanin, Tahoma, Arial, sans-serif;
}

.npdi-ai-app {
    direction: rtl;
    background: var(--npdi-bg);
    color: var(--npdi-text);
    font-size: 18px;
    line-height: 1.9;
}

.npdi-ai-card {
    background: var(--npdi-card);
    border: 1px solid var(--npdi-border);
    border-radius: 18px;
    padding: 18px;
}

.npdi-ai-title {
    color: var(--npdi-gold);
    font-size: 28px;
    font-weight: 700;
}

.npdi-ai-subtitle {
    color: var(--npdi-muted);
    font-size: 18px;
}

.npdi-ai-button,
.npdi-ai-app button {
    min-height: 46px;
    border-radius: 14px;
    border: 1px solid var(--npdi-border);
    background: linear-gradient(135deg, #d4af37, #8a6d1d);
    color: #ffffff;
    font-size: 18px;
    cursor: pointer;
}

.npdi-ai-button:hover,
.npdi-ai-app button:hover {
    filter: brightness(1.08);
}

#npdiCapitalAiLoginEntry[data-npdi-logged-in="1"] {
    background: linear-gradient(135deg, #10b981, #014421) !important;
    border-color: rgba(212, 175, 55, 0.75) !important;
    color: #ffffff !important;
    box-shadow: 0 0 0 1px rgba(212, 175, 55, 0.25), 0 10px 24px rgba(16, 185, 129, 0.18);
}

#npdiCapitalAiLoginEntry[data-npdi-logged-in="1"]::before {
    content: "✓ ";
    color: #fff5bd;
    font-weight: 900;
}

.npdi-ai-input,
.npdi-ai-app input,
.npdi-ai-app textarea {
    width: 100%;
    border-radius: 14px;
    border: 1px solid var(--npdi-border);
    padding: 14px 16px;
    font-size: 18px;
    line-height: 1.9;
    background: #ffffff;
    color: #1f2937;
}

.npdi-ai-warning,
.npdi-ai-error,
.npdi-ai-danger {
    background: var(--npdi-danger);
    color: #ffffff;
    border: 1px solid #ef4444;
    border-radius: 14px;
    padding: 12px 16px;
}

.npdi-ai-gold {
    color: var(--npdi-gold);
}

.npdi-ai-emerald {
    color: var(--npdi-emerald);
}

.npdi-ai-small {
    font-size: 15px;
    color: var(--npdi-muted);
}

.npdi-ai-modal-open {
    overflow: hidden;
}

.npdi-ai-membership-modal[hidden] {
    display: none !important;
}

.npdi-ai-membership-modal {
    position: fixed;
    inset: 0;
    z-index: 999999;
    direction: rtl;
}

.npdi-ai-membership-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
}

.npdi-ai-membership-panel {
    position: relative;
    z-index: 2;
    width: min(920px, calc(100vw - 24px));
    max-height: calc(100vh - 28px);
    overflow: auto;
    margin: 14px auto;
    padding: 20px;
    border-radius: 26px;
    background: linear-gradient(145deg, #071019, #0f1720 55%, #021a12);
    border: 1px solid rgba(212, 175, 55, 0.62);
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
    color: #ffffff;
}

.npdi-ai-membership-close {
    position: sticky;
    top: 0;
    float: left;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(212, 175, 55, 0.55);
    background: #1f0808;
    color: #ffffff;
    font-size: 28px;
    cursor: pointer;
    z-index: 3;
}

.npdi-ai-membership-head {
    text-align: center;
    padding: 10px 46px 16px;
}

.npdi-ai-membership-head h2 {
    margin: 0 0 8px;
    color: var(--npdi-gold);
    font-size: 30px;
}

.npdi-ai-membership-head p {
    margin: 0;
    color: var(--npdi-muted);
    font-size: 17px;
}

.npdi-ai-membership-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin: 10px 0 16px;
}

.npdi-ai-membership-tabs button,
.npdi-ai-type-switch button,
.npdi-ai-primary,
.npdi-ai-link-btn,
.npdi-ai-plan-card {
    border: 1px solid rgba(212, 175, 55, 0.38);
    border-radius: 16px;
    padding: 11px 14px;
    background: linear-gradient(180deg, rgba(1, 68, 33, 0.55), rgba(0, 0, 0, 0.55));
    color: #ffffff;
    font-weight: 900;
    cursor: pointer;
    font-size: 16px;
}

.npdi-ai-membership-tabs button.is-active,
.npdi-ai-type-switch button.is-active,
.npdi-ai-primary {
    background: linear-gradient(135deg, #fff5bd, #d4af37);
    color: #071019;
}

.npdi-ai-membership-message {
    min-height: 42px;
    margin-bottom: 12px;
    padding: 10px 14px;
    border-radius: 14px;
    border: 1px solid rgba(212, 175, 55, 0.25);
    background: rgba(255, 255, 255, 0.06);
    color: #f8fafc;
    line-height: 1.8;
}

.npdi-ai-membership-message.is-ok {
    border-color: rgba(34, 197, 94, 0.65);
    background: rgba(20, 83, 45, 0.35);
}

.npdi-ai-membership-message.is-error {
    border-color: rgba(239, 68, 68, 0.75);
    background: rgba(127, 29, 29, 0.45);
}

.npdi-ai-membership-section {
    display: none;
    padding: 16px;
    border: 1px solid rgba(212, 175, 55, 0.22);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.055);
}

.npdi-ai-membership-section.is-active {
    display: block;
}

.npdi-ai-membership-section h3 {
    margin: 0 0 14px;
    color: var(--npdi-gold);
    font-size: 24px;
}

.npdi-ai-membership-section label {
    display: block;
    margin: 10px 0 6px;
    color: #f6e38b;
    font-weight: 900;
}

.npdi-ai-membership-section input {
    width: 100%;
    min-height: 46px;
    border-radius: 14px;
    border: 1px solid rgba(212, 175, 55, 0.45);
    padding: 11px 13px;
    background: #ffffff;
    color: #111827;
    font-size: 17px;
    direction: rtl;
}

.npdi-ai-check {
    display: flex !important;
    gap: 10px;
    align-items: flex-start;
    line-height: 1.9;
    color: #ffffff !important;
}

.npdi-ai-check input {
    width: 18px;
    min-height: 18px;
    margin-top: 8px;
    flex: 0 0 18px;
}

.npdi-ai-type-switch {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 12px;
}

.npdi-ai-primary {
    width: 100%;
    min-height: 48px;
    margin-top: 14px;
}

.npdi-ai-link-btn {
    width: 100%;
    margin-top: 8px;
    background: transparent;
    color: #f6e38b;
}

#npdi-ai-logout-dynamic {
    margin-top: 14px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #7f1d1d, #b91c1c) !important;
    color: #ffffff !important;
    border: 1px solid rgba(248, 113, 113, 0.85) !important;
    box-shadow: 0 14px 28px rgba(185, 28, 28, 0.22);
}

#npdi-ai-logout-dynamic:hover {
    filter: brightness(1.12);
}

.npdi-ai-contract-box {
    margin-top: 14px;
    padding: 14px;
    border-radius: 18px;
    border: 2px solid rgba(212, 175, 55, 0.72);
    background: linear-gradient(145deg, rgba(74, 48, 8, 0.65), rgba(0, 0, 0, 0.38));
}

.npdi-ai-contract-box strong {
    display: block;
    color: #fff5bd;
    font-size: 20px;
    margin-bottom: 8px;
}

.npdi-ai-contract-box p {
    margin: 0 0 10px;
    color: #ffffff;
    line-height: 2;
    text-align: justify;
}

.npdi-ai-plan-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.npdi-ai-plan-card {
    min-height: 120px;
    text-align: center;
}

.npdi-ai-plan-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(212, 175, 55, 0.18);
}

.npdi-ai-plan-card:disabled,
.npdi-ai-primary:disabled,
.npdi-ai-link-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    filter: grayscale(0.2);
}

.npdi-ai-plan-card strong,
.npdi-ai-plan-card span {
    display: block;
}

.npdi-ai-plan-card strong {
    color: #fff5bd;
    font-size: 19px;
    margin-bottom: 10px;
}

.npdi-ai-plan-card span {
    color: #ffffff;
    font-size: 17px;
}

.npdi-ai-help,
.npdi-ai-membership-guide {
    margin-top: 12px;
    color: var(--npdi-muted);
    line-height: 1.9;
}

.npdi-ai-membership-guide {
    padding: 12px 14px;
    border-radius: 16px;
    border: 1px dashed rgba(212, 175, 55, 0.45);
    background: rgba(0, 0, 0, 0.25);
}

.npdi-toast {
    position: fixed;
    left: 18px;
    bottom: 18px;
    z-index: 1000000;
    padding: 11px 16px;
    border-radius: 14px;
    background: #071019;
    color: #ffffff;
    border: 1px solid var(--npdi-gold);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
    max-width: min(420px, calc(100vw - 36px));
    text-align: right;
    direction: rtl;
}

.npdi-toast.is-ok {
    border-color: #22c55e;
}

.npdi-toast.is-error {
    border-color: #ef4444;
    background: #1f0808;
}

@media screen and (max-width: 900px) {
    .npdi-ai-membership-tabs,
    .npdi-ai-plan-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media screen and (max-width: 768px) {
    .npdi-ai-app {
        font-size: 18px;
    }

    .npdi-ai-title {
        font-size: 24px;
    }

    .npdi-ai-card {
        padding: 14px;
        border-radius: 14px;
    }

    .npdi-ai-app button {
        min-height: 50px;
        font-size: 18px;
    }

    #npdiCapitalAiLoginEntry[data-npdi-logged-in="1"] {
        width: auto;
        min-width: 130px;
        white-space: nowrap;
    }

    .npdi-ai-membership-panel {
        width: calc(100vw - 12px);
        max-height: calc(100vh - 12px);
        margin: 6px auto;
        padding: 12px;
        border-radius: 18px;
    }

    .npdi-ai-membership-head {
        padding: 8px 42px 12px;
    }

    .npdi-ai-membership-head h2 {
        font-size: 24px;
    }

    .npdi-ai-membership-tabs,
    .npdi-ai-type-switch,
    .npdi-ai-plan-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .npdi-ai-membership-section {
        padding: 12px;
    }

    .npdi-toast {
        left: 8px;
        right: 8px;
        bottom: 10px;
        max-width: none;
    }
}