/* Self-contained inline login/register modal — same look on every page */
.iamodal {
    --iamodal-text: #0f172a;
    --iamodal-muted: #64748b;
    --iamodal-border: rgba(15, 23, 42, 0.1);
    --iamodal-accent: #4f46e5;
    --iamodal-gradient: linear-gradient(135deg, #4f46e5 0%, #6366f1 52%, #0891b2 100%);

    position: fixed;
    inset: 0;
    z-index: 2147483646;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    font-family: "Plus Jakarta Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    color: var(--iamodal-text);
}

.iamodal[hidden] {
    display: none !important;
}

.iamodal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.58);
    backdrop-filter: blur(6px);
}

.iamodal__box {
    position: relative;
    width: min(420px, 100%);
    max-height: min(90vh, 640px);
    overflow-y: auto;
    padding: 1.5rem 1.35rem 1.35rem;
    background: linear-gradient(165deg, #fff 0%, #f8faff 100%);
    border-radius: 20px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow:
        0 24px 64px rgba(15, 23, 42, 0.22),
        0 0 0 1px rgba(255, 255, 255, 0.85) inset;
    animation: iamodal-in 0.22s ease-out;
}

@keyframes iamodal-in {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.iamodal__close {
    position: absolute;
    top: 0.65rem;
    right: 0.65rem;
    width: 2rem;
    height: 2rem;
    border: none;
    border-radius: 999px;
    background: #f1f5f9;
    color: #475569;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.15s ease;
}

.iamodal__close:hover {
    background: #e2e8f0;
}

.iamodal__kicker {
    margin: 0 0 0.35rem;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--iamodal-accent);
}

.iamodal__title {
    margin: 0 0 0.4rem;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.25;
    color: var(--iamodal-text);
    padding-right: 2rem;
}

.iamodal__lead {
    margin: 0 0 1rem;
    font-size: 0.92rem;
    color: var(--iamodal-muted);
    line-height: 1.5;
}

/* Tabs */
.iamodal .auth-tabs {
    display: flex;
    gap: 0.5rem;
    margin: 0 0 1rem;
}

.iamodal .auth-tab {
    flex: 1;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--iamodal-border);
    border-radius: 10px;
    background: #f8fafc;
    font: inherit;
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    color: var(--iamodal-muted);
    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.iamodal .auth-tab:hover {
    border-color: rgba(79, 70, 229, 0.28);
    color: var(--iamodal-text);
}

.iamodal .auth-tab.is-active {
    background: #fff;
    color: var(--iamodal-text);
    border-color: #c7d2fe;
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.15);
}

/* Panels */
.iamodal .auth-panel {
    display: none;
    margin: 0;
}

.iamodal .auth-panel.is-visible {
    display: block;
}

/* Fields */
.iamodal .form-field {
    margin: 0 0 0.85rem;
}

.iamodal .form-field label {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    color: var(--iamodal-text);
}

.iamodal .input {
    display: block;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    border: 1px solid var(--iamodal-border);
    border-radius: 10px;
    padding: 0.72rem 0.85rem;
    font: inherit;
    font-size: 0.9375rem;
    color: var(--iamodal-text);
    background: #fff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.iamodal .input::placeholder {
    color: #94a3b8;
}

.iamodal .input:focus {
    outline: none;
    border-color: rgba(79, 70, 229, 0.5);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.14);
}

/* Primary action */
.iamodal .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-top: 0.15rem;
    border: 0;
    border-radius: 999px;
    padding: 0.78rem 1rem;
    color: #fff;
    font: inherit;
    font-size: 0.9375rem;
    font-weight: 700;
    background: var(--iamodal-gradient);
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(79, 70, 229, 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.iamodal .btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(79, 70, 229, 0.34);
}

.iamodal .btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.iamodal__status {
    min-height: 1.25rem;
    margin: 0.75rem 0 0;
    font-size: 0.88rem;
    font-weight: 600;
}

.iamodal__status.is-error {
    color: #b91c1c;
}

.iamodal__status.is-ok {
    color: #047857;
}

.iamodal__hint {
    margin: 0.5rem 0 0;
    font-size: 0.8rem;
    color: var(--iamodal-muted);
    line-height: 1.45;
}

@media (max-width: 480px) {
    .iamodal {
        padding: 0.65rem;
        align-items: flex-end;
    }

    .iamodal__box {
        border-radius: 18px 18px 14px 14px;
        padding: 1.25rem 1.1rem 1.1rem;
        max-height: 92vh;
    }

    .iamodal__title {
        font-size: 1.2rem;
    }
}